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Yasuo Ohtsubo
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Yokohama, JP
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last 30 patents
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Patent Grant
Transmission apparatus with reduced frictional force
Patent number
4,715,247
Issue date
Dec 29, 1987
Kabushiki Kaisha Toshiba
Toshio Honda
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES