| Regionalliga West (1963-1974) 1964/1965 - Appearances as Referee |  |
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| 23/08/1964 | Bor. Mönchengladbach | - | Westfalia Herne | 7:3 | - | - | - |
| Regionalliga West (1963-1974) 1964/1965 - Appearances as Referee | |
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| 23/08/1964 | Bor. Mönchengladbach | - | Westfalia Herne | 7:3 | - | - | - |
| Complete name: | Dettmann |
| Born: | |
| Place of birth: |
Germany |
| Residence: | Bad Godesberg |
| Nationality: |
Germany |