Home / Standards / GB/T 40073-2021 GB/T 40073-2021 Active External pressure strength test procedure for metal pressure hull of submersibles 潜水器金属耐压壳外压强度试验方法 Standard Type GBT ICS 47.020.10 CCS U11 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 国家标准委 Drafting Unit N/A