Home / Standards / GB/T 40749-2021 GB/T 40749-2021 Active Technical specification for design of ocean gravity cage 海水重力式网箱设计技术规范 Standard Type GBT ICS 65.150 CCS B56 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 农业农村部 Drafting Unit N/A