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CPC
G04G5/025
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G
PHYSICS
G04
Horology
G04G
ELECTRONIC TIME-PIECES
G04G5/00
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G04G5/025
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Patents Grants
last 30 patents
Information
Patent Grant
3643418
Patent number
3,643,418
Issue date
Feb 22, 1972
G04 - HOROLOGY
Patents Applications
last 30 patents
CPC
G04G5/025
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