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CPC
G04C21/326
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G
PHYSICS
G04
Horology
G04C
ELECTROMECHANICAL CLOCKS OR WATCHES
G04C21/00
Producing acoustic time signals by electrical means
Current Industry
G04C21/326
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Patents Grants
last 30 patents
Information
Patent Grant
Remote control programming system
Patent number
3,946,314
Issue date
Mar 23, 1976
Industrias Rumbo, S.A.
Jose Juan Garcia
G05 - CONTROLLING REGULATING
Information
Patent Grant
3668683
Patent number
3,668,683
Issue date
Jun 6, 1972
G04 - HOROLOGY
Information
Patent Grant
3449739
Patent number
3,449,739
Issue date
Jun 10, 1969
G04 - HOROLOGY
Information
Patent Grant
1336318
Patent number
1,336,318
Issue date
Apr 6, 1920
G04 - HOROLOGY
Patents Applications
last 30 patents