
Recreational diving services - Requirements for the training of recreational scuba divers Part 3: Level 3 - Dive leader (ISO 24801-3:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Recreational diving services - Requirements for the training of recreational scuba divers Part 3: Level 3 - Dive leader (ISO 24801-3:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频