| KNVB beker 1974/1975 - Appearances as Referee |  |
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 |
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| 27/12/1974 | IJsselmeervogels | - | FC Groningen | 2:1 | - | - | - |
| 08/02/1975 | RC&FC Sparta | - | FC Utrecht | 2:1 | 1 | - | - |
| KNVB beker 1974/1975 - Appearances as Referee | |
|
|
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| 27/12/1974 | IJsselmeervogels | - | FC Groningen | 2:1 | - | - | - |
| 08/02/1975 | RC&FC Sparta | - | FC Utrecht | 2:1 | 1 | - | - |
| Complete name: | Jan F. Beck |
| Born: | 11/08/1933 |
| Place of birth: |
Netherlands |
| Residence: | Amsterdam / Osdorp |
| Nationality: |
Netherlands |