BS 6789-2:1984

Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators. Specification for apparatus with loudspeaking facilities.

NORMA vydána dne 30.3.1984

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The information about the standard:

Designation standards: BS 6789-2:1984
Note: NEPLATNÁ
Publication date standards: 30.3.1984
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Kategorie: Technické normy BS