
Recreational diving services - Requirements for training on environmental awareness for recreational divers.
STANDARD published on 1.12.2019
Designation standards: DIN EN ISO 21417:2019-12
Publication date standards: 1.12.2019
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: German technical standard
Category: Technical standards DIN
Dienstleistungen des Freizeittauchens - Anforderungen an die Ausbildung zum Umweltbewusstsein von Freizeittauchern.