Home / Standards / GB/T 46721-2025 GB/T 46721-2025 Active Approach of classification and statistics for diving accidents 潜水作业事故分类与统计方法 Standard Type GBT ICS 03.220.40 CCS R 50 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 交通运输部 Drafting Unit N/A