| Super League 1976/1977 Qualifikationsrunde - Appearances as Referee |  |
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| 26/02/1977 | Neuchâtel Xamax FC | - | AC Bellinzona | 5:0 | - | - | - |
| Super League 1976/1977 Qualifikationsrunde - Appearances as Referee | |
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| 26/02/1977 | Neuchâtel Xamax FC | - | AC Bellinzona | 5:0 | - | - | - |
| Complete name: | Mario Osta |
| Born: | |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |