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标题: ISO 11970-2016 Specification and qualification of welding procedures for product [打印本页]

作者: lyklzy 时间: 2016-5-13 22:31:16 标题: ISO 11970-2016 Specification and qualification of welding procedures for product

ISO 11970-2016 Specification and qualification of welding procedures for production welding of steel castings

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作者: gbt8163 时间: 2016-5-14 16:23:24

多谢楼主分享如此好资料

作者: admin 时间: 2016-5-16 09:32:50

谢谢您的分享,金币已奖励!

作者: ir_71 时间: 2017-1-26 00:53:23

Thank you very much for sharing!

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