Recreational diving services. Requirements for the training of recreational snorkelling guides.
NORMA vydaná dňa 31.1.2012
Designation standards: BS ISO 13970:2011
Publication date standards: 31.1.2012
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS
ISBN: 978 0 580 67960 5 Status: Confirmed