Recreational diving services — Requirements for introductory programmes to scuba diving
NORMA vydána dne 8.3.2017
Designation standards: ISO 11121:2017-ed.2.0
Publication date standards: 8.3.2017
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: International technical standard
Kategorie: Technické normy ISO