Masaaki Hayakawa

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Kumamoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust muffler
- Patent number 5,907,135
- Issue date May 25, 1999
- Honda Giken Kogyo Kabushiki Kaisha
- Masaaki Hayakawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES