| DFB-Pokal 1979/1980 - Appearances as Referee |  |
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| 25/08/1979 | Freiburger FC | - | 1. FC Saarbrücken | 2:1 | 4 | - | - |
| DFB-Pokal 1979/1980 - Appearances as Referee | |
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| 25/08/1979 | Freiburger FC | - | 1. FC Saarbrücken | 2:1 | 4 | - | - |
| Complete name: | Klaus Clajus |
| Born: | 03/07/1940 |
| Place of birth: |
Germany |
| Residence: | Karlsruhe |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 23 |