
Recreational Diving Services - Requirements For The Training Of Scuba Instructors - Part 2: Level 2 (iso/dis 24802-2:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Recreational Diving Services - Requirements For The Training Of Scuba Instructors - Part 2: Level 2 (iso/dis 24802-2:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频