 |
| |||
| integrating sphere | |||
| spherical photometer | |||
| Ulbricht globe photometer; globe photometer; sphere photometer | |||
| шаровой фотометр: 4 phrases in 2 subjects |
| Makarov | 1 |
| Metrology | 3 |
|
| |||
| integrating sphere | |||
| spherical photometer | |||
| Ulbricht globe photometer; globe photometer; sphere photometer | |||
| шаровой фотометр: 4 phrases in 2 subjects |
| Makarov | 1 |
| Metrology | 3 |