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DIN 17223-2-1990 非合金钢调质弹簧钢丝及调质阀门弹簧钢丝
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资料介绍
标 准 号:DIN 17223-2-1990
简体中文标题:非合金钢调质弹簧钢丝及调质阀门弹簧钢丝
繁体中文标题:非合金钢调质弹簧钢丝及调质阀门弹簧钢丝
English Name:Round spring steel wire ; oil quenched and tempered spring steel wire of unalloyed and alloyed steels; technical delivery conditions
简体中文标题:非合金钢调质弹簧钢丝及调质阀门弹簧钢丝
繁体中文标题:非合金钢调质弹簧钢丝及调质阀门弹簧钢丝
English Name:Round spring steel wire ; oil quenched and tempered spring steel wire of unalloyed and alloyed steels; technical delivery conditions