Earthing clamps for use on metal pipes of internal diameter up to 3 inches.
NORMA vydána dne 24.3.1941
Designation standards: BS 951:1941
Note: NEPLATNÁ
Publication date standards: 24.3.1941
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS