jinlong5 发表于 2020-8-7 18:07:44

ASME BPVC-IIA-SA-29-29M-2017 SPECIFICATION FOR STEEL BARS, CARBON AND ALLOY, HOT

ASME BPVC-IIA-SA-29-29M-2017
SPECIFICATION FOR STEEL BARS,
CARBON AND ALLOY, HOT-WROUGHT,
GENERAL REQUIREMENTS FOR

admin 发表于 2020-8-9 10:17:47

谢谢您的分享,金币已奖励!
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