Basic specifications for fundamental geographic information database
Classification,description and encoding rules for geographicas names and address in the common platform for geospatial information service of digital city
Specifications of the common platfom for geospatial information service of digital city
Verification regulation of digital aeriat photographic camera
Verification regulation of invar bar-coded levelling staffs
Verification regulation for the general accuracy of aerophogrammetric instruments
Specification for check off and test of GPS receiver of surveying model
Digital plotter CHS 90-B/120-B
The series of digital plotter and its basic parameters
Standard grid plate
Analytical plotter HJT 05
Orthoprojector
Stereointerpretoscope
Verification regulation of magnetism influencing error for the DSZ05 and DSZ1 compensator levels
Verification Regulation For Invar Leveling Staffs
Analogue plotter HMT 10
The series of analogue plotter and its basic parameters
0.8 to 7.0x Rectifier