FR420053A - Dispositif applicable aux chassis négatifs photographiques, pour indiquer s'ils sont chargés ou non et si les plaques qu'ils contiennent sont exposées ou non
- Google Patents
Dispositif applicable aux chassis négatifs photographiques, pour indiquer s'ils sont chargés ou non et si les plaques qu'ils contiennent sont exposées ou non
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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
G03B17/26—Holders for containing light sensitive material and adapted to be inserted within the camera
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Physics & Mathematics
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General Physics & Mathematics
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FR420053D1910-09-051910-09-05Dispositif applicable aux chassis négatifs photographiques, pour indiquer s'ils sont chargés ou non et si les plaques qu'ils contiennent sont exposées ou non
ExpiredFR420053A
(fr)
Dispositif applicable aux chassis négatifs photographiques, pour indiquer s'ils sont chargés ou non et si les plaques qu'ils contiennent sont exposées ou non