BS 680:1944

Roofing slates.

NORMA vydaná dňa 21.4.1971

The information about the standard:

Designation standards: BS 680:1944
Note: NEPLATNÁ
Publication date standards: 21.4.1971
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS