| Super League 1988/1989 Abstieg Gruppe A - Appearances as Referee |  |
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| 01/04/1989 | FC Malley | - | FC Basel | 1:2 | 5 | - | - |
| 09/04/1989 | CS Chênois | - | BSC Old Boys | 1:2 | 1 | - | - |
| 10/06/1989 | Lausanne Sports | - | FC Malley | 1:1 | - | - | - |
| Super League 1988/1989 Abstieg Gruppe A - Appearances as Referee | |
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| 01/04/1989 | FC Malley | - | FC Basel | 1:2 | 5 | - | - |
| 09/04/1989 | CS Chênois | - | BSC Old Boys | 1:2 | 1 | - | - |
| 10/06/1989 | Lausanne Sports | - | FC Malley | 1:1 | - | - | - |
| Complete name: | Gottfried Friedrich |
| Born: | |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |