BS 2981:1958

Dimensional features of magnetic sound recording on perforated film.

NORMA vydaná dňa 25.4.1958

The information about the standard:

Designation standards: BS 2981:1958
Note: NEPLATNÁ
Publication date standards: 25.4.1958
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS