cc523pate 发表于 2017-7-23 13:29:41

BS EN ISO 14323-2015 Resistance welding — Destructive testing of welds

BS EN ISO 14323-2015 Resistance welding — Destructive testing of welds — Specimen dimensions and procedure for impact tensile shear test and crosstension testing of resistance spot and embossed projection welds


admin 发表于 2017-7-25 12:56:56

谢谢您的分享,金币已奖励!
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