EU Trademark Classification EU01 Chemicals Polytetrafluoroethylene non-stick coatings Class 01 Polytetrafluoroethylene non-stick coatings 4200 聚四氟乙烯不粘涂层 Chinese 聚四氟乙烯不粘涂层 English Polytetrafluoroethylene non-stick coatings Site ref. 4200 Class 01 Included in Harmonised Database (HDB)