Specification for conference systems: electrical and audio requirements.
NORM herausgegeben am 29.9.1989
Designation standards: BS 7154:1989
Note: UNGÜLTIG
Publication date standards: 29.9.1989
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: British technical standard
Kategorie: Technische Normen BS