Wim Kwestroo

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Lieshout, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a scandate dispenser cathode and scandate d...
- Patent number 4,873,052
- Issue date Oct 10, 1989
- U.S. Philips Corporaton
- Jan Hasker
- H01 - BASIC ELECTRIC ELEMENTS