EU Trademark Classification EU01 Chemicals Polyvinyl chloride compounds Class 01 Polyvinyl chloride compounds 4248 聚氯乙烯化合物[未加工] Chinese 聚氯乙烯化合物[未加工] English Polyvinyl chloride compounds [unprocessed] Site ref. 4248 Class 01 Included in Harmonised Database (HDB) Name qualifier unprocessed