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National Research Development Corp UK
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National Research Development Corp UK
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Application filed by National Research Development Corp UKfiledCriticalNational Research Development Corp UK
Application grantedgrantedCritical
Publication of FR1212353ApublicationCriticalpatent/FR1212353A/fr
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
G03B15/00—Special procedures for taking photographs; Apparatus therefor
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1212353D1957-10-101958-10-10Perfectionnements à la confection d'échelles
ExpiredFR1212353A
(fr)