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标题:
ASTM A234/A234M -18a
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作者:
松雨霞
时间:
2018-10-24 10:40:39
标题:
ASTM A234/A234M -18a
Standard Specification for
Piping Fittings of Wrought Carbon Steel and Alloy Steel for
Moderate and High Temperature Service
作者:
jim090201
时间:
2018-10-26 15:48:19
謝謝前輩的分享ASTM A234-18a
作者:
admin
时间:
2018-10-28 11:30:59
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