US Trademark Classification US02 Paints and varnishes 涂层类缓蚀剂（002-673） Class 02 涂层类缓蚀剂 002-673 Chinese 涂层类缓蚀剂 English Corrosion inhibitors in the nature of coatings Term ID 002-673 Class 02 Type Goods Status Active · added, not since modified (A) Effective date 2022-02-17 Version 11-2022