Instruments And Appliances Used In Geodesy, Topography, Hydrography, Oceanography, Hydrology, Meteorology Or Geophysics (excl. Compasses, Rangefinders, Theodolites, Tachymeters "tacheometers", Levels And Photogrammetrical Surveying Instruments And Appliances)
Instruments And Appliances Used In Geodesy, Topography, Hydrography, Oceanography, Hydrology, Meteorology Or Geophysics