 |
| |||
| still image projector; projection apparatus for preparation of printing plates and cylinders | |||
| image projector | |||
| Stehbildwerfer: 2 phrases in 2 subjects |
| Cultural studies | 1 |
| Optics branch of physics | 1 |
|
| |||
| still image projector; projection apparatus for preparation of printing plates and cylinders | |||
| image projector | |||
| Stehbildwerfer: 2 phrases in 2 subjects |
| Cultural studies | 1 |
| Optics branch of physics | 1 |