DK46293C
(en )
1932-10-10
Procedure for the Production of Cinematographic Films.
FR728098A
(en )
1932-06-29
Photographic film
DK44913C
(en )
1931-11-30
Procedure for Developing Cinematographic Films.
DK48475C
(en )
1934-03-05
Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films.
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
FR686453A
(en )
1930-07-26
Advanced shutter for photography
DK40876C
(en )
1929-10-07
Device for Reproduction of Cinematographic Films.
DK43941C
(en )
1931-03-30
Photographic Lens Lens.
DK44899C
(en )
1931-11-23
Photographic Lens Combination.
DK42391C
(en )
1930-06-16
Apparatus for Cinematographic Shooting.
DK42563C
(en )
1930-07-07
Apparatus for Performing Films.
DK42680C
(en )
1930-07-28
Developing device for light-sensitive strips.
FR683090A
(en )
1930-06-05
Photography or projection lens
DK38727C
(en )
1928-04-30
Apparatus for the production of photographic or cinematographic footage.
DK42338C
(en )
1930-06-02
Cinematographic Projection Apparatus.
FR697650A
(en )
1931-01-20
Photographic film reel
DK42838C
(en )
1930-08-25
Procedure for Making Tone Films.
FR680942A
(en )
1930-05-07
Sound cinematographic film
ES113652A1
(en )
1929-08-01
Improvements in cinematographic projectors.
DK45869C
(en )
1932-06-27
Procedure for Making Positive Photographic Copies.
FR683707A
(en )
1930-06-17
Cinematographic film enhancements
DK45311C
(en )
1932-02-29
Device for Contact Copying of Lens Screen Films.
FR700290A
(en )
1931-02-26
Projector for photographic or cinematographic shooting
AT127090B
(en )
1932-02-25
Photographic light meter.
CA293799A
(en )
1929-10-08
Shutter for photographic objectives