EU Trademark Classification EU01 Chemicals 林业用过氧化钙（1526） Class 01 林业用过氧化钙 1526 Chinese 林业用过氧化钙 English Calcium peroxide for use in forestry Site ref. 1526 Class 01 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)