BS 493:1970

Specification for airbricks and gratings for wall ventilation.

NORMA vydaná dňa 14.12.1970

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The information about the standard:

Designation standards: BS 493:1970
Note: NEPLATNÁ
Publication date standards: 14.12.1970
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: British technical standard
Kategória: Technické normy BS