GB/T 1920-1980
Abolished
DB21/T 4422-2026
Active
Liaoning ProvinceLocal standards
DB21/T 4422-2026 Protocol for surveying carbon stocks of seagrass beds
DB21/T 4422-2026 Protocol for surveying carbon stocks of seagrass beds
Basic Information
Standard Code:
DB21/T 4422-2026
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Oceanography
ICS Name:
Geology, meteorology, and hydrology
Publish Date:
2026-05-07
Implement Date:
2026-06-07
Publisher:
辽宁省市场监督管理局
Technical Committee:
辽宁省自然资源厅
Development Information
Drafting Units:
辽宁省海洋水产科学研究院、中国海洋大学、山东省海洋资源与环境研究院
Related Standards
GB/T 958-1989
Replaced
GB/T 958-1989 Geological symbols used for regional geological maps (1:50000)
GB/T 11615-1989
Replaced
GB/T 11615-1989 Geologic exploration standard of geothermal resources
GB/T 12329-1990
Active
GB/T 12329-1990 Karst geology terminology
GB/T 12745-1991
Replaced
GB/T 12745-1991 Static penetrometer
GB/T 12746-1991
Replaced