Katuhiro Kumagai

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Patents Grantslast 30 patents

Information Patent Grant
System for determining deterioration of catalysts of internal combu...
- Patent number 5,325,664
- Issue date Jul 5, 1994
- Honda Giken Kogyo Kabushiki Kaisha
- Yasunari Seki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES