BS 7939:1999

Smoke security devices. Code of practice for manufacture, installation and maintenance.

NORMA vydaná dňa 15.2.1999

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The information about the standard:

Designation standards: BS 7939:1999
Note: NEPLATNÁ
Publication date standards: 15.2.1999
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS