BS 7443:1991

Specification for sound systems for emergency purposes.

NORMA vydána dne 28.6.1991

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The information about the standard:

Designation standards: BS 7443:1991
Note: NEPLATNÁ
Publication date standards: 28.6.1991
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategorie: Technické normy BS