Harmonized System
Section XVIII > Chapter 90 > Heading 9002
Explanatory notes
… or polarimeters. (3) Eyepieces and objectives (including polarising) for astronomical instruments, … etc. (4) Mounted prisms for instruments or apparatus for physical or chemical analysis (polarimeters, etc.). (5) … beacons, mounted on panels or drums. (7) Mounted lenses clearly identifiable as fittings for optical benches. (8) …Section VI > Chapter 35 > Heading 3504
… and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed. …
Explanatory notes
… and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed. This heading … Peptones are soluble substances obtained when proteins are hydrolysed or submitted to the action of certain enzymes …Section XVIII > Chapter 90 > Heading 9012
Explanatory notes
… apparatus 9012.90 ‑ Parts and accessories This heading includes : (A) Electron microscopes differ from optical … in that they use a beam of electrons instead of light rays. The normal type of electron microscope is an assembly of the following devices usually enclosed in a common frame as a unit : (1) A device (known …Section XVIII > Chapter 91 > Heading 9105
… Other clocks. …