Martin F. C. Willemsen

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure metal halide discharge lamp with electrodes substanti...
- Patent number 5,530,317
- Issue date Jun 25, 1996
- U.S. Philips Corporation
- Martin F. C. Willemsen
- H01 - BASIC ELECTRIC ELEMENTS