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Electrically-actuable valve
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Patent number 4,750,520
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Issue date Jun 14, 1988
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Dragerwerk Aktiengesellschaft
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Ulrich Heim
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Piston proportioning pump
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Patent number 4,722,675
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Issue date Feb 2, 1988
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Dragerwerk Aktiengesellschaft
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Scato Albarda
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Dosing pump for liquids
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Patent number 4,527,463
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Issue date Jul 9, 1985
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Dragerwerk Aktiengesellschaft
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Scato Albarda
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Dosing pump
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Patent number 4,405,294
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Issue date Sep 20, 1983
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Dragerwerk AG
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Scato Albarda
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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