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标题: ISO 683-2:2012 [打印本页]

作者: andykidd 时间: 2015-11-10 10:22:49 标题: ISO 683-2:2012

ISO 683-2:2012

Heat-treatable steels, alloy steels and free-cutting steels -- Part 2: Alloy steels for quenching and tempering

作者: andykidd 时间: 2015-11-11 09:14:37

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