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High pressure devices
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Patent number 5,364,234
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Issue date Nov 15, 1994
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Karl Eickmann
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Double piston engine
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Patent number 5,113,808
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Issue date May 19, 1992
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Karl Eickmann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Radially flexible snap ring
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Patent number 4,987,650
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Issue date Jan 29, 1991
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Karl Eickmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Double piston engine
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Patent number 4,913,100
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Issue date Apr 3, 1990
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Karl Eickmann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Combustion engine
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Patent number 4,864,979
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Issue date Sep 12, 1989
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Karl Eickmann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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