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Suction jet pump
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Patent number 6,270,321
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Issue date Aug 7, 2001
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A. Kayser Automotive Systems GmbH
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Franz Schulte
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B60 - VEHICLES IN GENERAL
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Back-flow check valve
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Patent number 5,860,449
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Issue date Jan 19, 1999
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A. Kayser Automotive Systems GmbH
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Franz Schulte
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flow regulating valve
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Patent number 5,797,586
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Issue date Aug 25, 1998
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Franz Schulte
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Apparatus for bending plastic pipe
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Patent number 5,593,708
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Issue date Jan 14, 1997
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Franz Schulte
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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