| |||
| translucent screen (used for rear projection) | |||
|
Durchprojektionsschirm : 1 phrase in 1 subject |
| Optics branch of physics | 1 |
| |||
| translucent screen (used for rear projection) | |||
|
Durchprojektionsschirm : 1 phrase in 1 subject |
| Optics branch of physics | 1 |