EU Trademark Classification EU09 Scientific and electronic apparatus 脉冲操作锁存继电器（23918） Class 09 Pulse operated latching relays 23918 脉冲操作锁存继电器 Chinese 脉冲操作锁存继电器 English Pulse operated latching relays Site ref. 23918 Class 09 Included in Harmonised Database (HDB)