Helmut Becker: Difference between revisions
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=== E. Leitz Photographic Patents by Helmut Becker === | === E. Leitz Photographic Patents by Helmut Becker === | ||
* | *1935 DEC 20 - PHOTOGRAPHIC CAMERA | ||
*1936 MAR 18 - PHOTOGRAPHIC FILM CAMERA | *1936 MAR 18 - PHOTOGRAPHIC FILM CAMERA | ||
Revision as of 15:06, 1 March 2012
E. Leitz Photographic Patents by Helmut Becker
- 1935 DEC 20 - PHOTOGRAPHIC CAMERA
- 1936 MAR 18 - PHOTOGRAPHIC FILM CAMERA
