Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
G DRAEGER FRERES SOC
Original Assignee
G DRAEGER FRERES SOC
Filing date
Publication date
Application filed by G DRAEGER FRERES SOCfiledCriticalG DRAEGER FRERES SOC
Application grantedgrantedCritical
Publication of FR411029ApublicationCriticalpatent/FR411029A/en
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
G03F3/00—Colour separation; Correction of tonal value
G03F3/02—Colour separation; Correction of tonal value by retouching
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR411029A1909-04-01
Method of establishing clichés for posters by photography
ExpiredFR411029A
(en)