回复:DIN EN ISO 5817-2003英文版本译文
it is very great,i am looking for these weld standards. 3YBGßbbs.3c3t.comºZ0p[&KM
thank you very much.3YBGßbbs.3c3t.comºZ0p[&KM
you are very kind,hope you can bring more information and standard on welding.3YBGßbbs.3c3t.comºZ0p[&KM