| Name | : Hammas-tetra avoin yhtiö |
| Business Number | : 0214787-4 |
| Category | : Partnership |
| Primary language | : Finnish |
| Place of taxation | : Kuopio  | Date of registration | : 26-01-1994 |
| Activity | : Dental practice activities |
| Alias | : Hammas-Tetra, Esko Hakkarainen, Pentti Ollikka Ja Matti Simonen Kommandiitt |