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addle 发表于 2009-3-26 23:36:15

DIN 17022-1 Heat treatment of ferrous products - Hardening and tempering

DIN 17022-1 Heat treatment of ferrous products - Hardening and tempering
DIN 17022-1-1994 钢铁材料热处理方法 部件的淬火.回火.贝氏体化和调质(英文)

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