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  •  China "welders" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 32257-2015
  • Qualification testing of welders for fusion welding on nickel and nickel alloys China National Standards
  • GB/T 30563-2014
  • Qualification test of welders―Fusion welding for copper and copper alloys China National Standards
  • QB/T 1290.7-2010
  • Hand hammers. welders chipping hammers China Light Industry Standards
  • GB/T 24598-2009
  • Qualification test of welders - Fusion welding for aluminium and aluminium alloys China National Standards
  • GB 8965.2-2009
  • Protective clothing - Flame-retardant protection - Part 2: Protective clothing for welders China National GB Standards
  • GB/T 15169-2003
  • Qualification test of welders--Fusion welding forsteels China National GB Standards
  • SJ/T 31333-1994
  • Requirements of readiness and methods of inspection and assessment for automatic annular wire crest welders China Electronics Standards

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