标 准 号:DIN EN 10255-2007 简体中文标题:适合焊接和车螺纹的非合金钢管.交货技术条件 繁体中文标题:适合焊接和车螺纹的非合金钢管.交货技术条件 English Name:Non-Alloy steel tubes suitable for welding and threading - Technical delivery conditions; German version EN 10255:2004 + A1:2007...