气焊,加热和切割用吹管|沙特标准|SASO-ISO-5172

  气焊,加热和切割用吹管|沙特标准|SASO-ISO-5172
  
  SASO-ISO-5172
  
  Gas welding equipment – Blowpipes for gas welding, heating and cutting – Specifications and tests
  
  气焊设备-气焊,加热和切割用吹管-规格和试验

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