Code of Practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines.
NORMA vydaná dňa 28.8.1987
Designation standards: BS 6704:1987
Note: NEPLATNÁ
Publication date standards: 28.8.1987
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Kategória: Technické normy BS