China National Standards

China roughness—Appraising GB Standards List

  •  China "roughness—Appraising" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 15056-2017 Casting surface roughness—Appraising method
    铸造表面粗糙度 评定方法    		 China National Standards
    roughness—Appraising
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