BS 2831:1957

Methods of test for air filters used in air conditioning and general ventilation.

NORMA vydaná dňa 7.2.1957

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The information about the standard:

Designation standards: BS 2831:1957
Note: NEPLATNÁ
Publication date standards: 7.2.1957
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: British technical standard
Kategória: Technické normy BS