Patent classifications
G
PHYSICS
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G04
HOROLOGY
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G04D
APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
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3/00
Watchmakers' or watch-repairers' machines or tools for working materials
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G04D3/0074
for treatment of the material, e.g. surface treatment
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G04D3/0092
for components of the time-indicating mechanism, e.g. dials
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