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.... 90 07 92 Parts and accessories for projectors 90 07 92 00 Parts and accessories for projectors Commodity Code Description 90 07 92 00 000 Parts and accessories for projectors