Seiko Koki Kabushki Kaisha

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Signaling time detecting device for leaf type digital clock
- Patent number 4,287,586
- Issue date Sep 1, 1981
- Seiko Koki Kabushki Kaisha
- Masuo Ogihara
- G04 - HOROLOGY