
Specification for 35 mm microcopying of engineering drawings and associated data. Aperture cards and copy cards.
NORMA vydaná dňa 31.7.1973
Designation standards: BS 4210-3:1970
Note: NEPLATNÁ
Publication date standards: 31.7.1973
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS