GB/T 12897-2006

Active

Specifications for the first and second order leveling

国家一、二等水准测量规范

Standard Type
GBT
ICS
07.040
CCS
A76
Status
现行
Issue Date
2006-05-24
Implementation
2006-10-01
Responsible Dept
自然资源部（测绘地理）
Drafting Unit
N/A