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 07 Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus. 90 07 20 Projectors Commodity Code Description 90 07 20 00 Projectors