
Low speed digital signals for use in coal mines.. Specification for optical coupling.
NORMA vydaná dňa 31.1.1985
Designation standards: BS 6556-1:1985
Note: NEPLATNÁ
Publication date standards: 31.1.1985
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategória: Technické normy BS