 |
| |||
| Ruß m (Pigment) | |||
| Lampenruß m | |||
| Azetylenruss m | |||
| Eisenschwarz n | |||
| |||
| Lampenschwarz n | |||
| Flammruss m; Lampenruss m; Lampenruß m | |||
| Ruß m | |||
|
lamp-black : 6 do fraz, 3 tematyki |
| Elektronika | 2 |
| Fizyka | 1 |
| Technika i technologia | 3 |
|
| |||
| Ruß m (Pigment) | |||
| Lampenruß m | |||
| Azetylenruss m | |||
| Eisenschwarz n | |||
| |||
| Lampenschwarz n | |||
| Flammruss m; Lampenruss m; Lampenruß m | |||
| Ruß m | |||
|
lamp-black : 6 do fraz, 3 tematyki |
| Elektronika | 2 |
| Fizyka | 1 |
| Technika i technologia | 3 |