| KNVB beker 1989/1990 - Appearances as Referee |  |
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| 01/09/1989 | ACV Assen | - | NAC Breda | 0:4 | - | - | - |
| KNVB beker 1989/1990 - Appearances as Referee | |
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| 01/09/1989 | ACV Assen | - | NAC Breda | 0:4 | - | - | - |
| Complete name: | Piet Klootwijk |
| Born: | 30/09/1949 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |