Two national standards including the newly revised "super-hard abrasive particle size inspection" will be implemented soon
It is reported that on March 12, the China Machinery Industry Federation formally sent a letter to the National Standardization Administration Committee of the "Super-hard abrasive particle size inspection (No. 1 amendment)" and "Super-hard abrasive impact toughness measurement method (No. 1 amendment) List) "Two national standard amendment lists. This indicates that the newly revised national standards for the above two super-hard abrasives will soon be formally implemented.
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