Electrical apparatus for potentially explosive atmospheres. Intrinsic safety ´i´.
STANDARD published on 30.12.1977
Designation standards: BS 5501-7:1977
Note: WITHDRAWN
Publication date standards: 30.12.1977
The number of pages: 100
Approximate weight : 331 g (0.73 lbs)
Country: British technical standard
Category: Technical standards BS