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 Surgicla Instruments and Apparatus; parts and AccesoriesThereof. 90 07 Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus 90 07 20 PROJECTORS: Commodity Code Description 90 07 20 10 FOR FILM OF LESS THAN 16 MM WIDTH OR FOR DOUBLE 8 MM FILM 90 07 20 90 OTHER