Specification for electrically operated automatic gas shut-off valves.
NORMA vydaná dňa 22.12.1989
Designation standards: BS 5963:1981
Note: NEPLATNÁ
Publication date standards: 22.12.1989
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: British technical standard
Kategória: Technické normy BS