結(jié)構(gòu)用無錫不銹鋼無縫鋼管(GB/T14975-1994)
時間：2019-06-13
作者：無錫不銹鋼板
瀏覽：0
結(jié)構(gòu)用無錫不銹鋼無縫鋼管(GB/T14975-1994)
(1)尺寸規(guī)格見表1、表2。
(2)允許偏差見表4。
(3)牌號和化學(xué)成分見表3。
(4)力學(xué)性能見表5。
(5)用途適于一般結(jié)構(gòu)及機(jī)械結(jié)構(gòu)用。
表1 結(jié)構(gòu)用無錫不銹鋼熱軋(擠、擴(kuò))無縫鋼管的尺寸規(guī)格(mm)
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壁厚
外徑
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4.5
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5
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6
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7
|
8
|
9
|
10
|
11
|
12
|
13
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14
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15
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16
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17
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18
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19
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20
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22
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24
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25
|
26
|
28
|
|
68
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
|
|
|
|
|
|
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|
70
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◎
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◎
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◎
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◎
|
◎
|
◎
|
◎
|
◎
|
◎
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|
|
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|
|
|
|
|
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|
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73
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
76
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
80
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
83
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
89
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
95
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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102
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
|
108
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
|
114
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
121
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
127
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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133
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◎
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◎
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◎
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◎
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◎
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◎
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|
140
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
|
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|
|
|
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|
|
146
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|
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◎
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◎
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◎
|
◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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152
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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|
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|
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|
159
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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168
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◎
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◎
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◎
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◎
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◎
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◎
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|
180
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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◎
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194
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◎
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◎
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◎
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◎
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