China National Standards

China O rings resistant Industry Standards English PDF List

  •  China "O rings resistant" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 2021-2014 O-rings resistant to high temperature and oil
    耐高温润滑油o形橡胶密封圈    		 China Chemical Industry Standards
    O rings resistant
    English PDF

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