Kaoru Koyama

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Shirakawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rubber composition for reinforcing bead of tires which contains but...
- Patent number 5,859,142
- Issue date Jan 12, 1999
- Sumitomo Rubber Industries, Ltd.
- Kiyoshige Muraoka
- B60 - VEHICLES IN GENERAL