EU Trademark Classification EU01 Chemicals Additives (Chemical -) for use in waterproofing masonry Class 01 Additives (Chemical -) for use in waterproofing masonry 979 砌体防水用化学添加剂 Chinese 砌体防水用化学添加剂 English Additives (Chemical -) for use in waterproofing masonry Site ref. 979 Class 01 Included in Harmonised Database (HDB)