BS-2457 › Specification for protractors for drawing office use
BS-2457
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1975 EDITION
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CURRENT
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Specification for protractors for drawing office use
Keywords
Thickness;Circular shape;Preferred sizes;Instrument scales;Graduations;Office equipment;Dimensions;Diameter;Flatness (surface);Drawing office equipment;Size;Semi-circular shape;Protractors;Plastics;Marking
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Document Number
BS 2457:1975
Revision Level
1975 EDITION
Status
Current
Publication Date
Jan. 31, 1975
Page Count
8
ISBN
0580080897
Committee Number
TPR/1