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Solenoid valve
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Patent number 4,720,078
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Issue date Jan 19, 1988
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Aisen Seiki Kabushiki Kaisha
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Mamoru Nakamura
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Integrated valve device
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Patent number 4,298,020
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Issue date Nov 3, 1981
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Aisin Seiki Kabushiki Kaisha
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Masami Inada
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Vacuum transmitting valve
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Patent number 4,241,751
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Issue date Dec 30, 1980
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Toyota Jidosha Kogyo Kabushiki Kaisha
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Takao Nonoyama
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Exhaust gas purifying system for engines
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Patent number 4,192,141
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Issue date Mar 11, 1980
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Toyota Jidosha Kegko Kabushiki Kaisha
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Takao Nonoyama
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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