标 准 号：BS EN 10270-1-2001 简体中文标题：金属弹簧用钢丝.获得专利的冷拉伸非合金弹簧钢丝繁体中文标题：金属弹簧用钢丝.获得专利的冷拉伸非合金弹簧钢丝English Name：Steel wire for mechanical springs - Patented cold drawn unalloyed spring steel wire...