jinlong5 发表于 2020-8-11 16:12:19

ASME BPVC-IIA-SA-234-234M-2017SPECIFICATION FOR PIPING FITTINGS OF WROUGHT CARBO

ASME BPVC-IIA-SA-234-234M-2017SPECIFICATION FOR PIPING FITTINGS OF WROUGHTCARBON STEEL AND ALLOY STEEL FOR MODERATE
AND HIGH-TEMPERATURE SERVICE

admin 发表于 2020-8-11 20:48:39

谢谢您的分享,金币已奖励!

草地飞龙 发表于 2021-2-18 21:57:11

资料很好，感谢论坛，感谢楼主！！
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