Hiroyuki Nagae

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sparkplug with improved antifouling performance
- Patent number 4,427,914
- Issue date Jan 24, 1984
- NGK Spark Plug Co., Ltd.
- Hisao Mizuno
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS