Petrus P. J. Van Engelen

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Magnetooptical recording element and a magnetooptical recording device
- Patent number 4,710,431
- Issue date Dec 1, 1987
- U.S. Philips Corporation
- Petrus P. J. Van Engelen
- G11 - INFORMATION STORAGE