EU Trademark Classification EU38 Telecommunications 通过视频通信系统传输信息(63883) Class 38 通过视频通信系统传输信息 63883 Chinese 通过视频通信系统传输信息 English Transmission of information through video communication systems Site ref. 63883 Class 38 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)