Home / Standards / GB/T 17871-1999 GB/T 17871-1999 Active Decompression procedures for nitrox or air saturation-air excursion diving 氮氧饱和或空气饱和-空气巡回潜水减压程序 Standard Type GBT ICS 03.220.40 CCS R53 Status 现行 Issue Date 1999-09-17 Implementation 2000-08-01 Responsible Dept 交通运输部 Drafting Unit N/A