Volker Riemann

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Einsingen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Signal playback system transducer with optical resonance cavity
- Patent number 3,941,945
- Issue date Mar 2, 1976
- TED Bildplatten Aktiengesellschaft, AEG-Telefunken, TELDEC
- Manfred Borner
- G11 - INFORMATION STORAGE