BS 21:1957

Pipe threads.

NORMA vydaná dňa 15.7.1959

The information about the standard:

Designation standards: BS 21:1957
Note: NEPLATNÁ
Publication date standards: 15.7.1959
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS