FR757863A
(en )
1934-01-05
Process for obtaining diazotypies
FR861685A
(en )
1941-02-14
Method for obtaining diazotype
FR54933E
(en )
1951-04-30
Process for obtaining colored photographic images
FR814449A
(en )
1937-06-23
Process for the rapid development of photographic records
FR827342A
(en )
1938-04-25
Method for obtaining shrinkage effects
FR788511A
(en )
1935-10-11
Process for carrying out the development of photographic emulsions while avoiding the formation of haze
FR616562A
(en )
1927-02-04
Process for obtaining photographic images
FR829757A
(en )
1938-07-06
Process for obtaining photographic reproductions
FR783415A
(en )
1935-07-12
Process for obtaining negative photogravures using diazo compounds
FR887721A
(en )
1943-11-22
Process for the constitution of color photographic images
BE424800A
(en )
1937-12-31
Process for obtaining photographic reproductions
FR790110A
(en )
1935-11-14
Process for obtaining low-relief photographic images
FR830985A
(en )
1938-08-16
Process for developing photographic images
FR783320A
(en )
1935-07-11
Process for obtaining photographic silhouettes
FR828041A
(en )
1938-05-09
Process for the production of colored images by photography
FR811180A
(en )
1937-04-08
Process for obtaining hormones
FR750155A
(en )
1933-08-05
Process for the projection of stereoscopic images
FR833911A
(en )
1938-11-04
Process for obtaining polychrome photographic prints
FR870393A
(en )
1942-03-10
Process for obtaining color photographic images
FR852803A
(en )
1940-03-04
Process for obtaining color photographic images
FR876814A
(en )
1942-11-18
Process for the constitution of color photographic images
FR863507A
(en )
1941-04-03
Process for obtaining multicolored photographic copies
FR795388A
(en )
1936-03-12
Magnifier for photographic prints
FR800778A
(en )
1936-07-18
Process for autotypic reproduction of images
FR756344A
(en )
1933-12-08
Process for obtaining trichromatic films