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Sealing bushing
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Patent number 4,236,721
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Issue date Dec 2, 1980
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B.V. Neratoom
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Theodorus A. F. Pennock
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Non-return valve
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Patent number 4,231,395
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Issue date Nov 4, 1980
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B.V. Neratoom
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Ronald Versluis
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Heat exchanger with pump
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Patent number 4,230,178
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Issue date Oct 28, 1980
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B. V. Neratoom
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Antonius M. M. Braat
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F28 - HEAT EXCHANGE IN GENERAL
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Fluid diode
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Patent number 4,187,874
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Issue date Feb 12, 1980
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B.V. Neratoom
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Jan Essebaggers
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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X-ray tube
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Patent number 4,161,671
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Issue date Jul 17, 1979
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B.V. Neratoom
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Gerardus F. Klinkert
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H01 - BASIC ELECTRIC ELEMENTS
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