liuxilin1215 发表于 2013-11-25 20:11:36

ASME B16.33-2012

ASME B16.33-2012 Manually Operated Metallic Gas Valves for Use in Gas Piping Systems Up to 175 psi (Sizes NPS ½ Through NPS 2)


admin 发表于 2013-11-26 18:51:17

谢谢您的分享,金币已奖励!

gana1783 发表于 2013-12-7 12:32:35

thanks for providing the standard

nbjwbzj 发表于 2013-12-14 10:24:36

谢谢分享!!!!!!!

a280221580 发表于 2015-1-1 01:11:51

谢谢分享!!!!!!!

ygs67 发表于 2015-8-8 13:55:00

多谢分享!                  

ctci39339 发表于 2015-10-9 12:09:31

谢谢分享!!!!!!!...................
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