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Application filedfiledCritical
Priority to DD18126574ApriorityCriticalpatent/DD116681A1/xx
Priority to DE19752530392prioritypatent/DE2530392A1/de
Publication of DD116681A1publicationCriticalpatent/DD116681A1/xx
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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/02—Diaphragms
G03B9/07—Diaphragms with means for presetting the diaphragm