Wilfried Bittner

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Alxing, DE

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Patents Grantslast 30 patents

Information Patent Grant
Still camera with a retractable objective
- Patent number 4,350,423
- Issue date Sep 21, 1982
- Agfa-Gevaert Aktiengesellschaft
- Dieter Engelsmann
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY