FR1112333A (en )1956-03-13 Device for measuring and recording the slowing down of a vehicle FR994171A (en )1951-11-13 Device for reproducing documents FR1036521A (en )1953-09-08 Device for the direct automatic recording of profiles, undulations and roughness of roads FR1050963A (en )1954-01-12 Device for teaching swimming FR1054526A (en )1954-02-11 Device for sound absorption FR880954A (en )1943-04-12 Device for measuring and recording the deflections of railway curves FR1056258A (en )1954-02-25 Advanced device for purifying fluids FR1053515A (en )1954-02-03 Writing device FR1064259A (en )1954-05-12 Automatic device for the production of smoke against frost FR1081800A (en )1954-12-22 Clutch device FR1032683A (en )1953-07-03 Ice container for portable coolers FR1010965A (en )1952-06-17 Device for the presentation of photographs FR1073107A (en )1954-09-20 Installation for obtaining electro-aerosol FR1063129A (en )1954-04-29 Shoe ventilation device FR1058635A (en )1954-03-17 Device to facilitate the cutting of an object CH318227A (en )1956-12-31 Recording device FR1042288A (en )1953-10-30 Binder automatically indicating the sum of the information noted on the documents it contains FR1088379A (en )1955-03-07 Disc drive device FR1085902A (en )1955-02-08 Magnetogram drive device FR1069464A (en )1954-07-08 Avalanche stopper FR1027113A (en )1953-05-07 Device for laying at the advancement of railway tracks FR898625A (en )1945-04-27 Projection device for the continuous and automatic reproduction of individual images FR1032522A (en )1953-07-02 Orientation device for projectors FR62026E (en )1955-06-02 Orientation device for projectors FR906975A (en )1946-02-26 Projection device for the continuous and automatic projection of individual images