EU Trademark Classification EU09 Scientific and electronic apparatus 低噪声转换器（22764） Class 09 低噪声转换器 22764 Chinese 低噪声转换器 English Low noise converters Site ref. 22764 Class 09 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)