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, 92 09 30 Commodity Code Description 92 09 30 00