Patent classifications
G
PHYSICS
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G04
HOROLOGY
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G04B
MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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45/00
Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
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G04B45/0069
Cases and fixed parts with a special shape
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