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.)
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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Holders For Sensitive Materials And Originals
(AREA)
Federnde Klemmvorrichtung fuer Schnellhefter, Mappen u. dgl. mit zwei Klemmarmen, die um quer zum Mappenruecken liegende Achsen geschwenkt und zwecks Ausuebens der Klemmwirkung durch eine UEberschubhuelse miteinander verbunden werden