回复:DIN EN ISO 5817-2003英文版本译文
it is very great,i am looking for these weld standards. [ÍìðCbbs.3c3t.comQ¸òÉtñ!D¥
thank you very much.[ÍìðCbbs.3c3t.comQ¸òÉtñ!D¥
you are very kind,hope you can bring more information and standard on welding.[ÍìðCbbs.3c3t.comQ¸òÉtñ!D¥