GB/T 958-1989

Abolished

Geological symbols used for regional geological maps(1∶50000)

区域地质图图例

Standard Type
GBT
ICS
07.060
CCS
D04
Status
废止
Issue Date
1989-02-22
Implementation
1989-10-01
Responsible Dept
自然资源部（国土）
Drafting Unit
N/A