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Industry
CPC
G04C13/0481
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Parent Industries
G
PHYSICS
G04
Horology
G04C
ELECTROMECHANICAL CLOCKS OR WATCHES
G04C13/00
Driving mechanisms for clocks by master-clocks
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G04C13/0481
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Patents Grants
last 30 patents
Information
Patent Grant
490698
Patent number
490,698
Issue date
Jan 31, 1893
G04 - HOROLOGY
Patents Applications
last 30 patents
CPC
G04C13/0481
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