Takeshi Matumoto

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust gas filter element
- Patent number 5,472,468
- Issue date Dec 5, 1995
- Sumitomo Chemical Company, Limited
- Hiroshi Umezaki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS