當(dāng)前位置:
首頁 >
標(biāo)準(zhǔn)詳情頁

Recreational Diving Services - Requirements For The Training Of Scuba Instructors - Part 1: Level 1 (iso/dis 24802-1:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻