Johannes R. Gelens

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Terneuzen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Flashbulb unit
- Patent number 4,208,700
- Issue date Jun 17, 1980
- U.S. Philips Corporation
- Bauke J. Roelevink
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY