EU Trademark Classification EU02 Paints and varnishes Thermochromic printing inks Class 02 Thermochromic printing inks 6482 热致变色印刷油墨 Chinese 热致变色印刷油墨 English Thermochromic printing inks Spanish Tintas de impresión termocrómicas Site ref. 6482 Class 02 Included in Harmonised Database (HDB)