Yoshiakai Ohtsubo

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alarm device in an automatic exposure camera
- Patent number 4,316,660
- Issue date Feb 23, 1982
- Nippon Kogaku K.K.
- Yoshiakai Ohtsubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY