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Geodetic survey instruments and systems
Long distance range finding equipment, surveying
Levels, surveyors'
Levels, laser beam
Theodolites
Transit theodolites
Gyro-theodolites
Theodolites, laser
Tacheometers, surveying
Cross-staffs
Heliostats
Alidades
Altimeters, surveying
Chains, surveyors'
Arrows and plummets, surveyors'
Goniometers, surveying
Telemeters, surveyors'
Gradiometers, surveying
Geothermal measuring instruments and equipment
Seismic and geophysical survey instruments and equipment
Seismographs
Hypsometers and hypsographs
Clinometers
Tellurometers
Boning-rods
Plane-tables and surveyors' tripods
Gravity meters/gravimeters, gravimetric survey equipment
Photogrammetric and stereographic survey equipment
Magnetic variometers and terrestrial magnetometers
Declinometers and dip circles, surveying
Ranging rods, surveying
Probes for cone penetration tests (CPT), geotechnical investigation
Hydrographic survey equipment
Geotechnical instruments
Geotechnical rigs, multifunctional
Mineralogical survey equipment
Instruments and appliances for soil mechanics
Measuring equipment, hydrogeological
Measuring instruments, ground settlement
Locators, seismic, for underground installations
Surveying and alignment equipment, laser
Scanners, laser, three-dimensional (3D), for surveying
Beacons, surveying
Geographical information systems (GIS)
Amplifiers for geophysical and meteorological use
Wireline logging instruments
Locating equipment, magnetic, for underground installations
Phototheodolites
Parts and accessories, surveying and geodetic equipment
Optical squares and parallel glass micrometers
