CH201302A
(en )
1938-11-30
Planographic printing plate and process for making same.
FR774770A
(en )
1934-12-11
Planographic printing process
CH154838A
(en )
1932-05-31
Method for manufacturing letterpress printing plates.
FR809561A
(en )
1937-03-06
Process for the manufacture of printing plates by projection of autotypes, etc.
FR763470A
(en )
1934-04-30
Photo-mechanical printing
FR710458A
(en )
1931-08-21
Planographic printing process
FR790449A
(en )
1935-11-21
Process for the photographic reproduction of printing plates
FR723644A
(en )
1932-04-12
Manufacturing process of lithographic printing plates
FR697675A
(en )
1931-01-21
Full color printing process
FR734287A
(en )
1932-10-19
Intaglio printing process
FR678667A
(en )
1930-04-03
Production of stereotyped printing plates
FR689130A
(en )
1930-09-02
Process for making photoengraving clichés
FR710968A
(en )
1931-09-01
Improvements to intaglio printing
FR790015A
(en )
1935-11-12
Improvements in the production of printing plates
FR595598A
(en )
1925-10-05
Process for printing collotype plates at the same time as the typographic composition
ES121811A1
(en )
1931-03-16
A process for manufacturing inks for gravure printing.
ES122411A1
(en )
1931-05-16
A planographic printing process.
FR689722A
(en )
1930-09-10
Printing process
FR613743A
(en )
1926-11-27
Improvements in the production of printing plates
FR686289A
(en )
1930-07-24
Intaglio plate for offset lithographic printing and its manufacturing process
FR779044A
(en )
1935-03-28
Bite process for printing plates
FR578652A
(en )
1924-10-02
Negatives for photomechanical printing
FR772420A
(en )
1934-10-29
Method and device for the production of printing-ready cliché plates intended for printing machines
CA311472A
(en )
1931-05-19
Intaglio off-set lithographic plate
DK54376C
(en )
1938-02-28
Method for Manufacturing Planographic Printing Plates.