US Trademark Classification US01 Chemicals 磷酸钠（001-781） Class 01 磷酸钠 001-781 Chinese 磷酸钠 English Sodium phosphate Spanish Fosfato de sodio Term ID 001-781 Class 01 Type Goods Status Active · added, not since modified (A) Effective date 2004-07-20 Version 08-2002