回复：DIN EN ISO 5817-2003英文版本译文
it is very great,i am looking for these weld standards. äÓ$¼þ,Vbbs.3c3t.comF¿c?0{Ç
thank you very much.äÓ$¼þ,Vbbs.3c3t.comF¿c?0{Ç
you are very kind,hope you can bring more information and standard on welding.äÓ$¼þ,Vbbs.3c3t.comF¿c?0{Ç
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