Koichi Seto

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dot-etchable image-containing element useful in lithographic mask f...
- Patent number 4,699,859
- Issue date Oct 13, 1987
- Toyo Boseki Kabushiki Kaisha
- Toshiaki Fujimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY