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标题: ISO 683-14:2004 Heat-treatable steels, alloy steels and free-cutting steels — [打印本页]

作者: hgundas 时间: 2020-4-20 03:57:29 标题: ISO 683-14:2004 Heat-treatable steels, alloy steels and free-cutting steels —

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ISO 683-14:2004
Heat-treatable steels, alloy steels and
free-cutting steels —
Part 14:
Hot-rolled steels for quenched and
tempered springs

作者: admin 时间: 2020-4-25 23:19:30

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