| DFB-Pokal 1979/1980 - Appearances as Referee |  |
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| 25/08/1979 | 1. FC Köln | - | 1. FSV Mainz 05 | 5:1 | - | - | - |
| DFB-Pokal 1979/1980 - Appearances as Referee | |
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| 25/08/1979 | 1. FC Köln | - | 1. FSV Mainz 05 | 5:1 | - | - | - |
| Complete name: | Dieter Gathmann |
| Born: | 29/11/1935 |
| Place of birth: |
Germany |
| Residence: | Bochum |
| Nationality: |
Germany |