Metallic rockwell hardness test—Part 2:Verification and calibration of hardness testers(scales A,B,C,D,E,F,G,H,K,N,T)
NORM herausgegeben am 25.11.2002
Designation standards: GB/T 230.2-2002
Note: UNGÜLTIG
Publication date standards: 25.11.2002
Country: Chinese technical standard
Kategorie: Technische Normen GB