Shigeo Yamamoto

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Iwata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve timing retarding system
- Patent number 5,184,581
- Issue date Feb 9, 1993
- Yamaha Hatsudoki Kabushiki Kaisha
- Tateo Aoyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS