US Trademark Classification US37 Construction and repair 车辆加注燃料（037-2607） Class 37 车辆加注燃料 037-2607 Chinese 车辆加注燃料 English Refueling of vehicles Term ID 037-2607 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2022-03-31 Version 11-2022