AWS QC14-2009 Specification for the Certification of Welding Sales Representatives 1st Edition: AWS QC14-2009 Specification for the Certification of Welding Sales Representatives 1st Edition.pdf AWS QC19-2002: AWS QC19-2002 .pdf AWS D17.1-2001 航空熔焊规范.pdf AWS B5.14-2002: AWS B5.14-2002 .pdf AWS B5.9-2006: AWS B5.9-2006 .pdf AWS B5.4-2005: AWS B5.4-2005 .pdf AWS B5.2-2001 Specification for the qualification of welding inspector specialists and welding inspector assistants: AWS B5.2-2001 Specification for the qualification of welding inspector specialists and welding inspector assistants.pdf AWS B5.1-2003 Specification for the qualification of welding inspectors incorporates errata;second printing decemb.pdf AWS A3.0-2001: AWS A3.0-2001 .pdf AWS A2.4-2007 Standard symbols for welding,brazing,and nondestructive examination sixth edition.pdf ASTM D925-2014 橡胶特性-表面着色性(接触、色迁移及色扩散)的试验方法.pdf ASTM A370-2016 钢产品机械测试方法及定义.pdf ASTM E92-2017 金属材料维氏硬度和努氏硬度的标准试验方法.pdf ASTM E92-2016 Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials: ASTM E92-2016 Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials.pdf ASTM E18-2016 金属材料洛氏硬度试验方法.pdf ASTM A632-1998 普通无缝和焊接奥氏体不锈钢管(小直径)规格.pdf ASTM A276-2006 不锈钢棒材和型材规格.pdf ASTM A380-2006 不锈钢零件、设备及系统的清洁、除锈和钝化规程.pdf ASTM A959-2009 规定锻制不锈钢统一标准等级成份的指南.pdf ASTM F756-2013 实践材料溶血性能评估标准.pdfPowered by 标准规范网
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