US Trademark Classification US07 Machinery 龙门起重机（007-710） Class 07 龙门起重机 007-710 Chinese 龙门起重机 English Gantry cranes Spanish Grúas pórtico Term ID 007-710 Class 07 Type Goods Status Active · modified since entry (M) Effective date 2021-04-01 Version 11-2021