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US Trademark Classification

Cementing services for oil and gas wells 037-535

油气井固井服务

Chinese 油气井固井服务
English Cementing services for oil and gas wells
Spanish Servicios de cementación para pozos de petróleo y gas
Term ID
037-535
Class
37
Type
Services
Status
Active · added, not since modified (A)
Effective date
2004-11-01
Version
08-2002