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Ceiling fan
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Patent number 4,900,236
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Issue date Feb 13, 1990
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SKF Industrial Trading & Development Co.
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Hendrikus J. Kapaan
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Rolling bearing assembly
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Patent number 4,820,061
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Issue date Apr 11, 1989
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SKF Industrial Trading and Development Company
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Hendrik Dolfsma
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ball bearing
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Patent number 4,386,811
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Issue date Jun 7, 1983
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SKF Industrial Trading & Development Co.
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Rutgerus S. Heemskerk
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Packing seal
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Patent number 4,153,258
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Issue date May 8, 1979
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SKF Industrial Trading and Development Company
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Wolfgang Huber
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Commutator motor
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Patent number 4,142,120
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Issue date Feb 27, 1979
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AB Electrolux
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Stig L. Hallerback
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER