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标题: ASTM A508/A508M − 17 [打印本页]

作者: zzcnhic 时间: 2018-2-3 21:45:34 标题: ASTM A508/A508M − 17

本帖最后由 zzcnhic 于 2018-2-3 21:52 编辑

ASTM A508/A508M − 17 Standard Specification for Quenched and Tempered Vacuum-Treated Carbon and Alloy Steel Forgings for Pressure Vessels
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作者: admin 时间: 2018-2-8 19:33:55

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