EU Trademark Classification EU11 Lighting, heating and air conditioning 利用反渗透的水脱盐设备（30974） Class 11 利用反渗透的水脱盐设备 30974 Chinese 利用反渗透的水脱盐设备 English Water desalinating apparatus utilizing reverse osmosis Site ref. 30974 Class 11 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)