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US Trademark Classification

Chemicals used in oil and gas well stimulation 001-2551

油气井增产用化学品

Chinese 油气井增产用化学品
English Chemicals used in oil and gas well stimulation
Spanish Productos químicos utilizados en la estimulación de pozos de petróleo y gas
Term ID
001-2551
Class
01
Type
Goods
Status
Active · added, not since modified (A)
Effective date
2025-04-24
Version
12-2025