US Trademark Classification US37 Construction and repair 冰箱修理服务（037-2224） Class 37 冰箱修理服务 037-2224 Chinese 冰箱修理服务 English Refrigerator repair services Term ID 037-2224 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2021-07-29 Version 11-2021