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Static bearing
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Patent number 5,022,769
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Issue date Jun 11, 1991
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U.S. Philips Corporation
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Johannes A. H. M. Jacobs
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Multilayer information disc
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Patent number 4,450,553
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Issue date May 22, 1984
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U.S. Philips Corporation
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Peter L. Holster
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Device for making discs
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Patent number 4,219,321
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Issue date Aug 26, 1980
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U.S. Philips Corporation
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Peter L. Holster
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Vibration amplitude transducer
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Patent number 4,040,290
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Issue date Aug 9, 1977
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U.S. Philips Corporation
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Peter Leendert Holster
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL