BSI - BS 2457
Specification for Protractors for drawing office use
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| Organization: | BSI |
| Publication Date: | 31 January 1975 |
| Status: | active |
| Page Count: | 8 |
| ICS Code (Drawing equipment): | 01.100.40 |
scope:
Includes preferred sizes, for circular and semi-circular protractors made from transparent plastics. Specifies qualities of suitable materials.
Document History
BS 2457
January 31, 1975
Specification for Protractors for drawing office use
Includes preferred sizes, for circular and semi-circular protractors made from transparent plastics. Specifies qualities of suitable materials.
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