BS 680:1936

Welsh roofing slates.

NORMA vydána dne 15.6.1936

The information about the standard:

Designation standards: BS 680:1936
Note: NEPLATNÁ
Publication date standards: 15.6.1936
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS