GB 7957.2-2009

Caplights for use in mines susceptible to firedamp—Part 2:Performance and other safety-related matters

NORMA vydaná dňa 30.9.2009

Anglicky a čínsky -
Elektronické PDF (469.60 EUR)

The information about the standard:

Designation standards: GB 7957.2-2009
Note: NEPLATNÁ
Publication date standards: 30.9.2009
Country: Chinese technical standard
Kategória: Technické normy GB