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Organisationer: |
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AIDA - International Association for the Development of Freediving CMAS - Confederation Mondiale Des Activites Subaquatiques
DAN - Divers Alert Network | |
Dykkermedicin - god dansk hjemmeside med en masse information om dykkermedicin |
GUE - Global Underwater Explorers |
IANTD - International Association of Nitrox and Technical Divers |
TDI - Technical Diving International |
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