Paul Ludwig Dummen

Follow

Person

Berlin, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Playback device for a disc-shaped record carrier with transducer li...
- Patent number 3,973,080
- Issue date Aug 3, 1976
- TED Bildplatten Aktiengesellschaft, AEG-Telefunken, TELDEC
- Gerhard Dickopp
- G11 - INFORMATION STORAGE