Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba GeigyfiledCriticalCiba Geigy
Application grantedgrantedCritical
Publication of BE572933RpublicationCriticalpatent/BE572933R/en
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
G03B1/00—Film strip handling
G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Advancing Webs
(AREA)
BE572933A1957-11-141958-11-13
PROCESS FOR THE PRODUCTION OF ORGANIC COMPOUNDS.
BE572933R
(en)