GB/T 14839-1993

Active

Technical symbols for geochemical exploration

地球化学勘查技术符号

Standard Type
GBT
ICS
07.060
CCS
D04
Status
现行
Issue Date
1993-12-30
Implementation
1994-10-01
Responsible Dept
自然资源部(国土)
Drafting Unit
N/A