兑水 发表于 2009-9-9 07:55:42

ASTM A 764-1995 机械弹簧用冷拉镀锌和按成品尺寸镀锌的...

A764-95(2001) Standard Specification for Metallic Coated Carbon Steel Wire, Coated at Size and Drawn to Size for Mechanical Springs
页: [1]
查看完整版本: ASTM A 764-1995 机械弹簧用冷拉镀锌和按成品尺寸镀锌的...