 |
| |||
| Quadratgrad m (unit of solid angle; 1 sq d = 3 0462 • 10-4sr) | |||
| Quadratgrad m | |||
| square degree: 4 phrases in 2 subjects |
| Measuring instruments | 3 |
| Technology | 1 |
|
| |||
| Quadratgrad m (unit of solid angle; 1 sq d = 3 0462 • 10-4sr) | |||
| Quadratgrad m | |||
| square degree: 4 phrases in 2 subjects |
| Measuring instruments | 3 |
| Technology | 1 |