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Ball cock for railway vehicle
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Patent number 6,298,878
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Issue date Oct 9, 2001
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Westinghouse Air Brake Company
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Yoshio Asano
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ball cock for railway vehicle
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Patent number 6,161,582
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Issue date Dec 19, 2000
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Westinghouse Air Brake Company
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Yoshio Asano
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Brake device
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Patent number 5,799,757
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Issue date Sep 1, 1998
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Nabco Ltd.
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Osamu Akamatsu
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Solenoid valve control device
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Patent number 5,775,367
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Issue date Jul 7, 1998
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Westinghouse Air Brake Company
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Naoki Yamaguchi
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B60 - VEHICLES IN GENERAL
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-
-
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Spring brake cylinder
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Patent number 4,811,651
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Issue date Mar 14, 1989
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Nippon Air Brake Co., Ltd.
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Yasuhisa Hata
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B60 - VEHICLES IN GENERAL
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Spring brake cylinder
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Patent number 4,796,513
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Issue date Jan 10, 1989
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Nippon Air Brake Co., Ltd.
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Yasuhisa Hata
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B60 - VEHICLES IN GENERAL
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Spring brake cylinder
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Patent number 4,785,718
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Issue date Nov 22, 1988
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Nippon Air Brake Co., Ltd.
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Yasuhisa Hata
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B60 - VEHICLES IN GENERAL
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Spring brake cylinder
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Patent number 4,781,105
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Issue date Nov 1, 1988
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Nippon Air Brake Co., Ltd.
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Yasuhisa Hata
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B60 - VEHICLES IN GENERAL
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Fluid pressure switch
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Patent number 4,525,611
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Issue date Jun 25, 1985
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Nippon Air Brake Co., Ltd.
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Osamu Akamatsu
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H01 - BASIC ELECTRIC ELEMENTS