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Johnson & Sons Manufacturing Chemists Lt
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Johnson & Sons Manufacturing Chemists Lt
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Application filed by Johnson & Sons Manufacturing Chemists LtfiledCriticalJohnson & Sons Manufacturing Chemists Lt
Application grantedgrantedCritical
Publication of FR950139ApublicationCriticalpatent/FR950139A/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
G03B17/00—Details of cameras or camera bodies; Accessories therefor
G03B17/02—Bodies
G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR950139D1943-10-121947-07-25
Further training in lens hoods for photographic lenses
ExpiredFR950139A
(en)