BS 7369:1991

Specification for multi-frequency tone signalling protocol for social alarm systems.

NORMA vydána dne 28.2.1991

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The information about the standard:

Designation standards: BS 7369:1991
Note: NEPLATNÁ
Publication date standards: 28.2.1991
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technické normy BS