Recreational diving services - Requirements for training on environmental awareness for recreational divers (ISO/DIS 21417:2018); German and English version prEN ISO 21417:2018
German title
Dienstleistungen des Freizeittauchens - Anforderungen an die Ausbildung zum Umweltbewusstsein von Freizeittauchern (ISO/DIS 21417:2018); Deutsche und Englische Fassung prEN ISO 21417:2018
Date of issue
2018-04-27
Publication date
2018-06
Original language
German,
English
Pages
24
Date of issue
2018-04-27
Publication date
2018-06
Original language
German,
English
Pages
24
DOI
https://dx.doi.org/10.31030/2841136
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