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| Marc-Jan Kraaijenzank |
| Heeft achtergrond in Close Quarter Combat, Multi Escrima Serrada, Krav Maga, Kung Fu (shaolin Kempo) en Taekwondo |
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| Marc-Jan is gecertificeerd als: |
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- Instructor CQC - Elite Combatives Europe
- Black belt instructor Unarmed Combatives - SFC
- Black belt Knife instructor - SFC
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