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CPC
G04G5/025

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GPHYSICS G04Horology G04GELECTRONIC TIME-PIECES G04G5/00Setting

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G04G5/025the time-counters first being reset to zero

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Patents Grantslast 30 patents

Information Patent Grant
3643418
- Patent number 3,643,418
- Issue date Feb 22, 1972
- G04 - HOROLOGY