GB 7228-1987

Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry

NORMA vydána dne 3.2.1987

Anglicky a čínsky -
Elektronické PDF (11216.10 CZK)

Anglicky a čínsky -

Tištěné (11216.10 CZK)

The information about the standard:

Designation standards: GB 7228-1987
Note: NEPLATNÁ
Publication date standards: 3.2.1987
Country: Chinese technical standard
Kategorie: Technické normy GB