jual Hardgrove Grindability Reference Material Set standar Australia ACIRS


Standard Reference HGI ACIRS

ACIRS-H5-2016
   
HGI

 Sample A 28


 Sample B 46


 Sample C  63


 Sample D 85


ACIRS H5 2016
ACIRS H6 2017
 ACIRS H7 2019 

dan lain-lain
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