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Abbesches | Refraktometer
| Refraktometer | |
| gen. | refractometers |
| anal.chem. | refractometer |
| Abbesches: 32 phrases in 7 subjects |
| Earth sciences | 1 |
| Industry | 2 |
| Mathematics | 2 |
| Measuring instruments | 1 |
| Optics branch of physics | 19 |
| Physics | 6 |
| Scientific | 1 |