Akira Yamashita

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Iwakuni, JA

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Patents Grantslast 30 patents

Information Patent Grant
Projection screen and process for production thereof
- Patent number 3,964,822
- Issue date Jun 22, 1976
- Mitsui Petrochemical Industries, Ltd.
- Akira Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY