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EU Trademark Classification

Filtration control agents for drilling fluids for subterranean wells 3016

地下井钻井液用滤失控制剂

Chinese 地下井钻井液用滤失控制剂
English Filtration control agents for drilling fluids for subterranean wells
Site ref.
3016
Class
01
Included in
Harmonised Database (HDB)