Ryoichi Gekka

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Iwata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen sensor layout
- Patent number 5,271,477
- Issue date Dec 21, 1993
- Yamaha Hatsudoki Kabushiki Kaisha
- Ryoichi Gekka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES