FR836445A
(en )
1939-01-18
Antistatic photographic films
CH175377A
(en )
1935-02-28
Photographic camera with central shutter.
FR807002A
(en )
1936-12-31
Photographic developers
AT144716B
(en )
1936-02-25
Photographic camera.
FR804471A
(en )
1936-10-24
Photographic developers
CH195977A
(en )
1938-02-28
Photographic camera with polarization device.
FR803584A
(en )
1936-10-03
Improvements to photographic films
FR769308A
(en )
1934-08-24
Metallic film for photographic or cinematographic applications
AT144715B
(en )
1936-02-25
Roll film photographic camera.
CH167527A
(en )
1934-02-28
Photographic recording camera with a viewfinder chamber arranged above the recording chamber.
FR721209A
(en )
1932-03-01
Aerial photography viewfinder
AT144725B
(en )
1936-02-25
Photographic camera with a viewfinder camera arranged above the receiving chamber.
FR773982A
(en )
1934-11-28
Photographic shutter
FR764665A
(en )
1934-05-25
Photographic shutter
FR781660A
(en )
1935-05-20
Central shutter for cameras
CH175376A
(en )
1935-02-28
Roll film camera with roller shutter.
FR760839A
(en )
1934-03-03
Spool for photographic film
DK52979C
(en )
1937-04-19
Photographic Camera.
FR791364A
(en )
1935-12-10
Improvements to photographic chambers with focal shutter
FR44067E
(en )
1934-10-11
Shutter for cameras
AT134385B
(en )
1933-07-25
Protective cases for photographic cameras.
CA337793A
(en )
1933-12-12
Photographic roll-film
AT156027B
(en )
1939-04-25
Photographic camera.
FR764556A
(en )
1934-05-24
Photographic lens
FR780648A
(en )
1935-04-29
Shutter mechanism for cameras