CH210212A
(en )
1940-06-30
Diazo light pause method.
DK67745C
(en )
1948-10-04
Method for producing colored photographic images.
DK62140C
(en )
1944-04-11
Method of Making Photographic Color Images.
DK63883C
(en )
1945-08-27
Method of Making Photographic Color Images.
CH208778A
(en )
1940-02-29
Photographic lens.
DK60973C
(en )
1943-05-31
Procedure for Making Photocopies.
DK66648C
(en )
1948-04-19
Method for Producing Monochrome and Multicolor Photographic Images.
AT156027B
(en )
1939-04-25
Photographic camera.
DK66530C
(en )
1948-03-30
Procedure for Making Multicolor Images.
CH221616A
(en )
1942-06-15
Process for making photographic images.
DK58058C
(en )
1940-10-07
Procedure for Making Transfer Posters.
DK51906C
(en )
1936-07-20
Method for Producing Natural Color-Like Cinema Images.
DK56707C
(en )
1939-09-18
Method for Making Luminous Print Images.
DK64888C
(en )
1946-10-14
Procedure for the production of colored images by photographic means by means of diffusion-true dye formers.
ES146607A1
(en )
1941-03-01
Procedure for obtaining multicolored photographic images.
ES145170A1
(en )
1940-12-16
Procedure for obtaining color photographic images.
DK67498C
(en )
1948-08-30
Method of Preparation of p-Amino-benzene sulfonamidopyridines.
DK58263C
(en )
1940-12-23
Lens.
DK67288C
(en )
1948-07-26
Method for Manufacturing Optical Elements.
DK70221C
(en )
1949-11-21
Method for making rennet.
DK63010C
(en )
1944-12-11
Photoelectric Aperture Controller for Photographic Cameras.
GR7569B
(en )
1938-08-03
LIGHT STEREOSCOPIC MIRROR.
DK53599C
(en )
1937-09-13
Procedure for Making Multicolored Images.
DK54120C
(en )
1938-01-03
Procedure for Making Multicolored Images.
DK58788C
(en )
1941-06-23
Method for the preparation of viscous acidic rodanide solutions.