EU Trademark Classification EU42 Scientific and technological services 建筑物扩建规划（设计）（71652） Class 42 Planning [design] of building extensions 71652 建筑物扩建规划（设计） Chinese 建筑物扩建规划（设计） English Planning [design] of building extensions Site ref. 71652 Class 42 Included in Harmonised Database (HDB)