Saint-Petersburg Ecological Union: elapsed in 2004 exhibitions
| Date | Title, short description | |
|---|---|---|
|
16.04 20.04.2004 |
Ecoexpo - 2004 (Saint-Petersburg) The 3th international specialized exhibition |
| Date | Title, short description | |
|---|---|---|
|
16.04 20.04.2004 |
Ecoexpo - 2004 (Saint-Petersburg) The 3th international specialized exhibition |