
Von Büren Yvan
Von Büren Yvan
2015 Areuse
2015 Areuse
Brevets
- Diving Instructor 1 Star
- Nitrox Instructor
- Diving Instructor 2 Stars
- Nitrox Adv. Instructor
- Children Diving Instructor
- Trimix Norm. Instructor
- Sidemount Rec Instructor
- Cave Instructor 1
- Trimix Adv. Instructor
- Cave Instructor 2
- Nitrox Blender Instructor
- Trimix Blender Instructor