适用范围:
Thisstandardspecifiesthetermsanddefinitions,testapparatus,testrequirements,testprocedures,andtestreportofthetestmethodforglasshardnessandscratchresistanceofhighspeedmultipleunit.
Thisstandardisapplicabletothetestofglasshardnessand
2025-02-26 13:07:46