:
- . :
- 2008
| , | ||
|---|---|---|
|
16.09 20.09.2008 |
Innovations in Tunnel Building - 2008 (. ) | |
|
21.04 25.04.2008 |
Manufacture of Concrete - Technologies and Equipment - 2008 (. ) | |
|
11.03 16.03.2008 |
Cement, Lime, Plaster: Manufacture and Ecology - 2008 (. ) |
| , | ||
|---|---|---|
|
16.09 20.09.2008 |
Innovations in Tunnel Building - 2008 (. ) | |
|
21.04 25.04.2008 |
Manufacture of Concrete - Technologies and Equipment - 2008 (. ) | |
|
11.03 16.03.2008 |
Cement, Lime, Plaster: Manufacture and Ecology - 2008 (. ) |