:
| , | ||
|---|---|---|
|
05.12 07.12.2007 |
Vietnam Coal & Mining Expo - 2007 (. ) | |
|
05.12 07.12.2007 |
Vietnam Electricity Expo - 2007 (. ) | |
|
17.10 20.10.2007 |
H2O Vietnam - 2007 (. ) |
| , | ||
|---|---|---|
|
05.12 07.12.2007 |
Vietnam Coal & Mining Expo - 2007 (. ) | |
|
05.12 07.12.2007 |
Vietnam Electricity Expo - 2007 (. ) | |
|
17.10 20.10.2007 |
H2O Vietnam - 2007 (. ) |