| |||
| optional relay | |||
| supplementary relay; additional relay (ssn) | |||
| |||
| additional relays (ssn) | |||
|
дополнительное реле : 2 do fraz, 2 tematyki |
| Kolejnictwo | 1 |
| Technika i technologia | 1 |
| |||
| optional relay | |||
| supplementary relay; additional relay (ssn) | |||
| |||
| additional relays (ssn) | |||
|
дополнительное реле : 2 do fraz, 2 tematyki |
| Kolejnictwo | 1 |
| Technika i technologia | 1 |