US Trademark Classification US37 Construction and repair 出租混凝土搅拌机器（037-2232） Class 37 出租混凝土搅拌机器 037-2232 Chinese 出租混凝土搅拌机器 English Rental of concrete-mixing machines Term ID 037-2232 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2021-07-29 Version 11-2021