标 准 编 号:BS EN 10219-1-2006 简体中文标题:非合金和细晶结构钢的冷成形焊接结构空心型材.交货技术要求 繁体中文标题:非合金和细晶结构钢的冷成形焊接结构空心型材.交货技术要求 English Name:Cold formed welded structural hollow sections of non-alloy and fine grain steels - Technical delivery requirements