US Trademark Classification US01 Chemicals 工业用瓜尔胶（001-2244） Class 01 工业用瓜尔胶 001-2244 Chinese 工业用瓜尔胶 English Guar gum for industrial purposes Term ID 001-2244 Class 01 Type Goods Status Active · added, not since modified (A) Effective date 2020-07-23 Version 11-2020