Bányászat: vegyes: Bányaműszaki Felügyelőség
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:f48efa74-048c-4b4a-9985-a52e48a24290 |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:f48efa74-048c-4b4a-9985-a52e48a24290 |