International Association of Rebreather Trainers

Sascha Jens Hoffmann Deutschland

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IART

Sascha Jens Hoffmann

Deutschland – Nordrhein-Westfalen

sascha4485@gmail.com

Open Circuit

  • Advanced-Nitrox-Open-Water-Diver
  • Nitrox-Diver
  • Deco-Diver
  • Extended Range-Diver
  • Recreational Trimix-Diver
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