FR826396A
(en )
1938-03-30
Photographic film enhancements
FR827154A
(en )
1938-04-20
Improvements in photography
CH208008A
(en )
1939-12-31
Color sensitive photographic layer.
DK66065C
(en )
1947-12-15
Photographic material for color photography and color cinematography consisting of several layers.
CH202877A
(en )
1939-02-15
Color photographic material.
DK65650C
(en )
1947-09-15
Photographic material for color photography and color cinematography, consisting of several layers.
CH211504A
(en )
1940-09-30
Multilayer photographic material for color photography and cinematography.
DK59489C
(en )
1942-02-16
Photographic material consisting of several layers.
CH212440A
(en )
1940-11-30
Multilayer photographic material for color photography and cinematography containing dye-former.
FR803584A
(en )
1936-10-03
Improvements to photographic films
DK64923C
(en )
1946-10-21
Procedure for the production of photographic and cinematographic multicolor images.
FR799862A
(en )
1936-06-22
Camera for developing photographic films
FR822401A
(en )
1937-12-30
Focal shutter for photography
DK60862C
(en )
1943-04-27
Photographic Material for Color Photography.
DK67166C
(en )
1948-07-05
Halogen Silver Emulsion for the Production of Colored, Photographic and Cinematographic Images.
CH195977A
(en )
1938-02-28
Photographic camera with polarization device.
DK67084C
(en )
1948-06-21
Procedure for Copying Subtractive Multicolor Images and Photographic Materials.
FR778659A
(en )
1935-03-22
sensitive elements for photography
FR721209A
(en )
1932-03-01
Aerial photography viewfinder
AT144716B
(en )
1936-02-25
Photographic camera.
DK58591C
(en )
1941-04-15
Photographic Material for Color Shooting.
AT144715B
(en )
1936-02-25
Roll film photographic camera.
DK52979C
(en )
1937-04-19
Photographic Camera.
DK66360C
(en )
1948-02-23
Photographic Materials for the production of photographic, in particular colored, images.
ES145751A1
(en )
1940-09-01
Improvements in obtaining multi-layer photographic material for photography and color cinematography.