标 准 编 号： MSS SP-97-2001简体中文标题：整体加强锻制分支引出端管件-承插焊式、螺纹式与焊式端头（中文版）繁体中文标题：整体加强锻制分支引出端管件-承插焊式、螺纹式与焊式端头（中文版）English Name： Integrally Reinforced Forged Branch Outlet Fittings - Socket welding, threaded and buttwelding ends...