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BS 2457:1975
Specification for protractors for drawing office use
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Summary
Thickness;Circular shape;Preferred sizes;Instrument scales;Graduations;Office equipment;Dimensions;Diameter;Flatness (surface);Drawing office equipment;Size;Semi-circular shape;Protractors;Plastics;Marking
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 01/31/1975 |
| Page Count | 8 |
| Themes | Marking |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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