GB 9620.4-1988

(Electron Devices silver copper brazing material analysis. Atomic absorption spectrophotometry bismuth)

NORM herausgegeben am 1.1.1988

The information about the standard:

Designation standards: GB 9620.4-1988
Note: UNGÜLTIG
Publication date standards: 1.1.1988
Country: Chinese technical standard
Kategorie: Technische Normen GB