
Recreational diving services — Requirements for training on environmental awareness for recreational divers
NORMA vydaná dňa 2.8.2019
Designation standards: ISO 21417:2019
Publication date standards: 2.8.2019
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: International technical standard
Kategória: Technické normy ISO