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Kosuke Honda
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Saitama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Antislip material ejector
Patent number
7,311,274
Issue date
Dec 25, 2007
Railway Technical Research Institute
Kaoru Ohno
B61 - RAILWAYS
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last 30 patents
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Patent Application
Antislip material ejector
Publication number
20040071558
Publication date
Apr 15, 2004
Kaoru Ohno
B61 - RAILWAYS