US Trademark Classification US02 Paints and varnishes 涂层类缓蚀剂（002-351） Class 02 涂层类缓蚀剂 002-351 Chinese 涂层类缓蚀剂 English Corrosion inhibitors in the nature of a coating Term ID 002-351 Class 02 Type Goods Status Active · added, not since modified (A) Effective date 2010-09-30 Version 09-2007