Classification, terminology and numbering for parts and assemblies of the mechanical time measuring instruments Classification, terminology and numbering for parts and assemblies of wrist watches and lever escapement alarm olocks
NORM herausgegeben am 13.9.1986
Designation standards: GB/T 6877-1986
Note: UNGÜLTIG
Publication date standards: 13.9.1986
Country: Chinese technical standard
Kategorie: Technische Normen GB