EU Trademark Classification EU42 Scientific and technological services 仪器仪表方面的研究（71993） Class 42 Research in instrumentation 71993 仪器仪表方面的研究 Chinese 仪器仪表方面的研究 English Research in instrumentation Site ref. 71993 Class 42 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)