lyklzy 发表于 2017-9-11 08:36:27

wazc888 发表于 2017-9-10 14:15 static/image/common/back.gif
是金属材料采购指南?

是【ASME PTB-8-2014 PROCUREMENT GUIDELINES FOR METALLIC MATERIALS】!!!
页: 1 [2]
查看完整版本: ASME PTB-8-2014 PROCUREMENT GUIDELINES