| Regionalliga Nord 2011/2012 - Appearances as Referee |  |
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 |
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| 11/11/2011 | VfB Lübeck | - | SV Wilhelmshaven | 0:3 | - | - | - |
| 16/12/2011 | Holstein Kiel | - | Hallescher FC | 0:0 | 5 | - | - |
| Regionalliga Nord 2011/2012 - Appearances as Referee | |
|
|
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| 11/11/2011 | VfB Lübeck | - | SV Wilhelmshaven | 0:3 | - | - | - |
| 16/12/2011 | Holstein Kiel | - | Hallescher FC | 0:0 | 5 | - | - |
| Complete name: | Norbert Grudzinski |
| Born: | 12/05/1977 |
| Place of birth: |
Germany |
| Residence: | Hamburg |
| Nationality: |
Germany |
| Profession: | Groß- und Außenhandelskaufmann |
| Club: | TSV Wandsetal |
| Height: | 187 cm |
| Weight: | 73 kg |