G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B27/00—Photographic printing apparatus
G03B27/02—Exposure apparatus for contact printing
G03B27/14—Details
G03B27/30—Details adapted to be combined with processing apparatus
G03B27/303—Gas processing
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Registering, Tensioning, Guiding Webs, And Rollers Therefor
(AREA)
Dispositif pour un changement instantané de la largeur d'encollage d'une bande de papier lors de la fabrication de carton ondulé, et procédé d'utilisation d'un tel dispositif