cc523pate 发表于 2017-12-31 01:09:28

BS EN ISO 16946-2017 Non-destructive testing — Ultrasonic testing — Specific

BS EN ISO 16946-2017 Non-destructive testing — Ultrasonic testing — Specification for step wedge calibration block


admin 发表于 2018-1-3 11:23:29

谢谢您的分享，金币已奖励!
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查看完整版本: BS EN ISO 16946-2017 Non-destructive testing — Ultrasonic testing — Specific