Skip to main content

US Trademark Classification

Building of canal locks 037-192

运河船闸建造

Chinese 运河船闸建造
English Building of canal locks
Spanish Construcción de esclusas de canal
Term ID
037-192
Class
37
Type
Services
Status
Active · added, not since modified (A)
Effective date
1991-04-02
Version
07-1997