BS 2457:1975

Specification for protractors for drawing office use.

NORMA vydána dne 31.1.1975

Anglicky -
PDF - okamžité stažení (3879.40 CZK)

The information about the standard:

Designation standards: BS 2457:1975
Publication date standards: 31.1.1975
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Kategorie: Technické normy BS

Annotation of standard text BS 2457:1975 :

Includes preferred sizes, for circular and semi-circular protractors made from transparent plastics. Specifies qualities of suitable materials. Status: Confirmed