US Trademark Classification US07 Machinery 马达和发动机用曲轴箱（007-4566） Class 07 马达和发动机用曲轴箱 007-4566 Chinese 马达和发动机用曲轴箱 English Crankcases for motors and engines Term ID 007-4566 Class 07 Type Goods Status Active · added, not since modified (A) Effective date 2022-05-19 Version 11-2022