BS 1438:1948

Specification for media for biological percolating filters.

NORMA vydána dne 2.9.1948

The information about the standard:

Designation standards: BS 1438:1948
Note: NEPLATNÁ
Publication date standards: 2.9.1948
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS