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麦田学社 › 标签 › welding

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AWS QC14-2009 Specification for the Certification of Welding Sales Representatives 1st Edition attachment 国外标准
AWS QC1-2007 Standard for AWS certification of welding inspectors attachment 国外标准
AWS B5.2-2001 Specification for the qualification of welding inspector specialists and welding inspector assistants attachment 国外标准
AWS B5.1-2003 Specification for the qualification of welding inspectors incorporates errata;second printing decemb... attachment 国外标准
AWS A2.4-2007 Standard symbols for welding,brazing,and nondestructive examination sixth edition attachment 国外标准
ASME B16.34-2017 Valves-Flanged, Threaded, And Welding End attachment 国外标准
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