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Leendert K. H. VAN Beek
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Eindhoven, NL
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last 30 patents
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Patent Grant
Method of manufacturing an external electrically conducting metal p...
Patent number
4,230,788
Issue date
Oct 28, 1980
U.S. Philips Corporation
Elisabeth J. Spiertz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Method of making copies of information tracks on carriers
Patent number
4,125,401
Issue date
Nov 14, 1978
U.S. Philips Corporation
Elisabeth J. Spiertz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY