GB 3509-1983

Metallographic examination standard for sleeve cast piston ring of reciprocating internal combustion engine

NORM herausgegeben am 1.1.1983

The information about the standard:

Designation standards: GB 3509-1983
Note: UNGÜLTIG
Publication date standards: 1.1.1983
Country: Chinese technical standard
Kategorie: Technische Normen GB