90
90

Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

编码范围 9001-9033 · 421条编码

91
91

Clocks and watches and parts thereof

编码范围 9101-9114 · 82条编码

92
92

Musical instruments; parts and accessories of such articles

编码范围 9201-9209 · 63条编码