Locarno Classification for Industrial Designs 10 Clocks and watches and other measuring instruments, checking and signalling instruments 10-04 Other measuring instruments, apparatus and devices 计量器（10-04） Subclass 10-04 计量器 101721 Chinese 计量器 English Gauges Spanish Medidores Number 101721 Category 10-04 Other measuring instruments, apparatus and devices Version 洛迦诺分类第十五版（LOC 15，2025-01-01 起施行）；中文取自国家知识产权局《国际外观设计分类表（第15版）》，英文取自 WIPO 官方文本