Etsuroh Nishio

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Programmed shutter and apparatus for preventing foreign matter on l...
- Patent number 4,794,418
- Issue date Dec 27, 1988
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takeo Kabayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY