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[求助] ASTM A990 CN3MCU 焊接组别的确认 |
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发表于 2019-11-25 22:05:51
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发表于 2019-11-25 21:16:39
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ERRATA of ASME BPVC IX-2019
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发表于 2019-11-27 12:49:16
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发表于 2019-11-28 17:33:38
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发表于 2019-11-29 07:55:01
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发表于 2019-12-3 13:00:32
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