petrographic
| microscope
| petrographic | |
| med. | petrographisch; gesteinskundig |
| microscope | |
| gen. | Mikroskop |
| tech. | Feinsehrohr; mikroskopieren |
| |||
| petrographisch; gesteinskundig | |||
| petrografisch; petrologisch; gesteinskundlich | |||
|
petrographic : 17 phrases in 7 subjects |
| Agriculture | 1 |
| Chemistry | 2 |
| Coal | 1 |
| Construction | 1 |
| Geology | 1 |
| Mining | 2 |
| Technology | 9 |