China National Standards

China oxygen―Tube GB Standards List


  •  China "oxygen―Tube" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 13939-2014 Rubber, vulcanized―Test method of deterioration by heat and oxygen―Tube tester
    硫化橡胶 热氧老化试验方法 管式仪法
    China National Standards
    oxygen―Tube

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