US Trademark Classification US16 Paper and stationery 心电图纸（016-1374） Class 16 EKG paper 016-1374 心电图纸 Chinese 心电图纸 English EKG paper Spanish Papel de ECG Term ID 016-1374 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2005-04-01 Version 08-2002