Sigenobu Katagiri

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sheet meandering movement preventing method
- Patent number 4,961,704
- Issue date Oct 9, 1990
- Hitachi Koki Company, Ltd.
- Shigeo Nemoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY