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BS 978-2:Addendum No. 1:1959
Gears for instruments and clockwork mechanisms. Cycloidal type gears. Double circular arc gears
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Summary
Gear parameters;Instruments;Clock movements;Dimensional tolerances;Basic racks;Tooth profiles;Milling cutters;Dimensions;Spur gears;Time-measuring instrument components;Imperial system;Gear drives;Gear wheels;Helical gears
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 05/15/1959 |
| Page Count | 8 |
| Themes | Helical gears |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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