GB 7957.2-2009

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

STANDARD published on 30.9.2009

English, Chinese -
electronic design (pdf) (548.80 USD)

The information about the standard:

Designation standards: GB 7957.2-2009
Note: WITHDRAWN
Publication date standards: 30.9.2009
Country: Chinese technical standard
Category: Technical standards GB