Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof 90 15 Surveying, hydrographic, oceanographic... instruments/appliances, nes Commodity Code Description 90 15 10 Rangefinders 90 15 20 Theodolites and tachymeters (tacheometers) 90 15 30 Levels 90 15 40 Photogrammetrical surveying instruments and appliances 90 15 80 Other instruments and appliances 90 15 90 Parts and accessories
