| IPC 7 English version |
| G04D-G04D00900 |
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| SECTION G – PHYSICS |
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| G 04 | HOROLOGY |
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| G 04 D | APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES (machine tools in general B23, B24; hand tools in general B25) |
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| Subclass Index |
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| HAND AND MACHINE TOOLS |
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| LUBRICATING DEVICES |
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| MEASURING AND TESTING APPARATUS |
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| DEMAGNETISING DEVICES |
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1/ | 00 | Gripping, holding, or supporting devices |
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1/ | 02 | . | Tweezers; Vice clamps or other special hand tools for watchmakers |
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1/ | 04 | . | Tools for setting springs |
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1/ | 06 | . | Supporting devices for clockworks or parts of time-pieces |
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1/ | 08 | . | Tools for setting or removing hands |
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1/ | 10 | . | Devices for opening or closing watch bottoms or covers |
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3/ | 00 | Watchmakers' or watch-repairers' machines or tools for working materials |
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3/ | 02 | . | Lathes, with one or more supports; Burnishing machines, with one or more supports |
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3/ | 04 | . | Devices for placing bearing jewels, bearing sleeves, or the like in position |
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3/ | 06 | . | Devices for shaping or setting watch glasses |
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3/ | 08 | . | Machines or apparatus for cleaning |
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5/ | 00 | Oiling devices; Special lubricant containers for watchmakers |
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7/ | 00 | Measuring, counting, calibrating, testing, or regulating apparatus |
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7/ | 02 | . | for mainsprings |
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7/ | 04 | . | for gearwork |
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7/ | 06 | . | for escapements |
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7/ | 08 | . | for balance wheels |
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7/ | 10 | . | for hairsprings |
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7/ | 12 | . | Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard |
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9/ | 00 | Demagnetising devices (demagnetising in general H01F 13/00) |
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