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Vacuum metering valve construction
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Patent number 4,172,581
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Issue date Oct 30, 1979
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Balzers Patent-und Beteiligungs-Aktiengesellschaft
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Ernst Lobach
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pump construction
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Patent number 4,036,565
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Issue date Jul 19, 1977
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Balzers Patent- und Beteiligungs AG
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Willi Becker
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Electron beam-generating system
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Patent number 3,975,613
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Issue date Aug 17, 1976
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Balzers Patent- und Beteiligungs AG
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Gunther Wulff
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Mass spectrometer
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Patent number 3,974,380
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Issue date Aug 10, 1976
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Balzers Patent- und Beteiligungs AG
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Gerhard Rettinghaus
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H01 - BASIC ELECTRIC ELEMENTS
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Electron-beam evaporation apparatus
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Patent number 3,949,187
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Issue date Apr 6, 1976
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Balzers Patent- und Beteiligungs AG
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Gunther Wulff
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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