Home / Standards / GB/T 39619-2020 GB/T 39619-2020 Active Basic terms of hydrographic survey 海道测量基本术语 Standard Type GBT ICS 01.040.17 CCS A76 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 交通运输部 Drafting Unit N/A