Locarno Classification for Industrial Designs 23 Fluid distribution equipment, sanitary, heating, ventilation and air-conditioning equipment, solid fuel 23-06 Sanitary appliances for hygienic purposes 洗涤槽（23-06） Subclass 23-06 洗涤槽 103688 Chinese 洗涤槽 English Sinks Spanish Lavabos Number 103688 Category 23-06 Sanitary appliances for hygienic purposes 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