China National Standards

China Cast grinding balls GB Standards List

  •  China "Cast grinding balls" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 17445-2022 Cast grinding balls
    铸造磨球    		 China National Standards
    Cast grinding balls
    English PDF
    GB/T 17445-2009 Cast grinding balls
    铸造磨球    		 China National Standards
    Cast grinding balls
    English PDF

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