Subheading 901510: Rangefinders
Subheading 901520: Surveying Equipment; Theodolites and Tachymeters (Tacheometer … etc.
Subheading 901530: Surveying Equipment; Levels
Subheading 901540: Surveying Equipment; Photogrammetrical Surveying Instruments … etc.
Subheading 901580: Surveying Equipment; Articles N.E.C. in Heading No. 9015, Inc … etc.
Subheading 901590: Surveying Equipment; Parts and Accessories for Articles of He … etc.