标签
简介:VHFTUHPCKNOGF铁素体和奥氏体合金钢管的一般要求ASTMA530专门用途的铁素钢和合金钢的一般要求ASTMA789一般要求碳素体奥氏体不锈钢无缝钢管和焊接钢管JISG3456-88机械结构用不锈钢管JISG3448-88普通管道用
English English German German German German Spanish Spanish French French Italian Italian Portuguese Portuguese Japanese Japanese Korean Korean Arabic Arabic Russian Russian IndonesianIndonesian VietnameseVietnamese
m www
<sup dropzone="gvpy"></sup><address dropzone="gldu"><kbd lang="abz"><time date-time="uid"></time><font id="dwil"></font></kbd></address>