Locarno Classification for Industrial Designs 19 Stationery and office equipment, artists' and teaching materials 19-07 Teaching materials and apparatus 地图集（19-07） Subclass 19-07 地图集 103214 Chinese 地图集 English Atlases Spanish Atlas Number 103214 Category 19-07 Teaching materials and apparatus 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