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
G03B15/02—Illuminating scene
G03B15/03—Combinations of cameras with lighting apparatus; Flash units
G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
Procede de changement d'une cartouche filtrante montee dans un conduit d'ecoulement d'un fluide et agencement pour la mise en oeuvre du procede