Recreational diving services. Requirements for introductory training programmes to scuba diving.
NORMA vydána dne 31.7.2009
Designation standards: BS ISO 11121:2009
Note: NEPLATNÁ
Publication date standards: 31.7.2009
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technické normy BS