Table of Similar Goods and Services Class 19 Building materials 1911 Glass and glass materials for building 建筑用智能玻璃（190274） Class 19 Similar group 1911 建筑用智能玻璃 190274 Chinese 建筑用智能玻璃 English smart glass for building Spanish vidrio inteligente para la construcción Item No. 190274 Class 19 Similar group 1911 Version 区分表 2026 文本（基于 NCL 13-2026，2026-01-01 起施行）