China National Standards

China 4:Anti GB Standards List

  •  China "4:Anti" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 3452.4-2020 O-rings for fluid power systems—Part 4:Anti-extrusion rings (back-up rings)
    液压气动用O形橡胶密封圈 第4部分：抗挤压环（挡环）    		 China National Standards
    4:Anti
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