EU Trademark Classification EU01 Chemicals 异氰酸酯化合物（3402） Class 01 异氰酸酯化合物 3402 Chinese 异氰酸酯化合物 English Isocyanate compounds Site ref. 3402 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)