EU Trademark Classification EU07 Machinery Suction valves for gas compressors Class 07 Suction valves for gas compressors 18005 气体压缩机用吸气阀 Chinese 气体压缩机用吸气阀 English Suction valves for gas compressors Site ref. 18005 Class 07 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)