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求助 ASTM B248M-22
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lbvvv
2022-07-03 09:19
求助: ASTM B248M-22 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar (Metric)
原文地址:
https://www.astm.org/b0248m-22.html
非常感谢!
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