Yuji Katayama

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Kakogawa, JP

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Patents Grantslast 30 patents

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Pilot-operated dual check valve assembly with cross-line flow valvi...
- Patent number 5,036,750
- Issue date Aug 6, 1991
- Nippon Air Brake Kabushiki Kaisha
- Yuji Katayama
- B60 - VEHICLES IN GENERAL