CH348871A
(en )
1960-09-15
Photographic material
AT190304B
(en )
1957-06-25
Projector with image changing device for the continuous presentation of plate-shaped slides
FR1154261A
(en )
1958-04-04
Film extrusion
AT197097B
(en )
1958-04-10
Projector with image changing device for the continuous presentation of plate-shaped slides
AT195490B
(en )
1958-02-10
Image presentation device
FR1159499A
(en )
1958-06-27
Photographic materials
AT189299B
(en )
1957-03-11
Tripod with three movement options
FR1156781A
(en )
1958-05-21
Cinematographic projector, preferably for narrow films
FR1151249A
(en )
1958-01-27
Cinematographic film brake
AT196928B
(en )
1958-04-10
Image display device
CH344902A
(en )
1960-02-29
Switching mechanism for the optional recording of single or series images
FR67521E
(en )
1958-03-13
Micro-viewer and projector
FR1129479A
(en )
1957-01-22
Motion picture viewer
DK86605C
(en )
1958-12-01
Film projection apparatus.
ES46857Y
(en )
1955-12-01
Movie projector
AT192149B
(en )
1957-09-25
Projector
FR1131048A
(en )
1957-02-14
projection screen
ES51639Y
(en )
1957-05-16
Projection Screen Perfections
AT195254B
(en )
1958-01-25
Image sound projectors with optional light or magnetic sound scanning
AT179904B
(en )
1954-10-25
Drawing device for the light projection of pictures or writings during their creation
CH336360A
(en )
1959-02-28
Device for degassing liquids
FR1160818A
(en )
1958-08-11
Cinematographic projection device
FR1158772A
(en )
1958-06-19
Cinematographic projection device
ES48018Y
(en )
1959-08-16
Portable detachable viewer for transparencies
FR1135267A
(en )
1957-04-26
Device for the projection of cinematographic films