| KNVB beker 1973/1974 - Appearances as Referee |  |
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| 09/11/1973 | De Graafschap | - | FC Groningen | 1:2 aet | - | - | - |
| 21/02/1974 | NAC Breda | - | FC Groningen | 4:0 | - | - | - |
| KNVB beker 1973/1974 - Appearances as Referee | |
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| 09/11/1973 | De Graafschap | - | FC Groningen | 1:2 aet | - | - | - |
| 21/02/1974 | NAC Breda | - | FC Groningen | 4:0 | - | - | - |
| Complete name: | Jan F. Beck |
| Born: | 11/08/1933 |
| Place of birth: |
Netherlands |
| Residence: | Amsterdam / Osdorp |
| Nationality: |
Netherlands |