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中国工业检验检测网 http://www.industryinspection.com

N-Vý]åN hÀ hÀmK Q  · EN 25817, Arc-welded joints in steels — Guidance on quality levels for imperfections. (ISO 5817:1992) 3 Definitions For the purposes of this standard,

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中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com

中国工业检验检测网 http://www.industryinspection.com