AU2994130A
(en )
1931-04-02
Improvements in and relating to spools for photographic films
AU2994130B
(en )
1931-04-02
Improvements in and relating to spools for photographic films
AU2368129A
(en )
1930-06-03
Improvements in or relating to photographic films
AU2781530A
(en )
1931-03-05
Improvements in or relating to sound-record cinematograph films
AU2781530B
(en )
1931-03-05
Improvements in or relating to sound-record cinematograph films
AU2610330A
(en )
1930-11-25
Improvements in or relating to photographic apparatus
AU558832A
(en )
1932-04-21
Improvements in and relating to film printing apparatus
AU126531A
(en )
1932-03-10
Improvement in photographic film
AU2490530A
(en )
1930-08-19
Improvements in photograhic film with soundtrack indication
CA304474A
(en )
1930-10-07
Process of projecting photographs or cinematographic films in colour
AU563832A
(en )
1932-05-12
Improvements in films for photographic purposes
AU229131A
(en )
1931-08-20
Improvement in film reels and supports therefor
AU2745930A
(en )
1931-02-05
Improvement in photographic recording machine
AU2964230A
(en )
1931-10-29
Improvements in cinematograph projecting apparatus
AU2971030A
(en )
1931-03-26
Improvement in photographic color process
CA304147A
(en )
1930-09-23
Camera using roll films
CA301437A
(en )
1930-06-24
Photography in natural colours
AU550631A
(en )
1932-05-12
Improvements in or relating to cinematograph apparatus
AU2860130A
(en )
1931-02-19
Improvement in film treating apparatus
CA299125A
(en )
1930-04-08
Anti-halation layer and halation-proof photographic material
AU2102929A
(en )
1929-12-24
Improvements in and relating to cinematograph projection apparatus
AU2531130A
(en )
1931-03-05
Improvements in cinematograph machines
AU1903534A
(en )
1935-03-14
Improvements in or relating to photographic roll films
CA301895A
(en )
1930-07-08
Camera for roll films
AU1884329A
(en )
1930-03-25
Improvements in color photography