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Exhaust control valve for engine
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Patent number 5,605,119
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Issue date Feb 25, 1997
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Yamaha Hatsudoki Kabushiki Kaisha
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Tatsuyuki Masuda
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Lubricant control
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Patent number 5,526,783
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Issue date Jun 18, 1996
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Yamaha Hatsudoki Kabushiki Kaisha
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Hideaki Ito
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Exhaust control valve for engine
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Patent number 5,410,993
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Issue date May 2, 1995
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Yamaha Hatsudoki Kabushiki Kaisha
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Tatsuyuki Masuda
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Fuel injection unit for engine
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Patent number 5,231,966
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Issue date Aug 3, 1993
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Yamaha Hatsudoki Kabushiki Kaisha
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Takeo Yoshida
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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High pressure fuel injection unit
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Patent number 5,117,793
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Issue date Jun 2, 1992
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Yamaha Hatsudoki Kabushiki Kaisha
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Jun Taue
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS