Section 18 OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION , MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS; CLOCKS AND WATCHES; M USICAL INSTRUMENTS; PARTS AND ACCESSORIES THEREOF 92 Musical instruments; parts and accessories of such articles 92 09 Parts (for example, mechanisms for musical boxes) and accessories (for example, Commodity Code Description 92 09 30 92 09 91 92 09 92 92 09 94 92 09 99