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标题: BS EN ISO 17640-2010 Non-destructive testing of welds. Ultrasonic testing. Techn [打印本页]
作者: pengyuewang    时间: 2017-2-22 13:40:08     标题: BS EN ISO 17640-2010 Non-destructive testing of welds. Ultrasonic testing. Techn

本帖最后由 pengyuewang 于 2017-2-22 13:43 编辑



BS EN ISO 17640-2010 Non-destructive testing of welds. Ultrasonic testing. Techniques, testing levels, and assessment


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作者: admin    时间: 2017-2-22 15:36:07

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