jinlong5 发表于 2020-8-10 17:32:17

ASME BPVC-IIA-SA-134-2017

ASME BPVC-IIA-SA-134-2017
SPECIFICATION FOR PIPE, STEEL, ELECTRIC-FUSION
(ARC)-WELDED (SIZES NPS 16 AND OVER)

admin 发表于 2020-8-10 20:35:56

谢谢您的分享,金币已奖励!
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