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US Trademark Classification

Analysis and testing for oil workings 042-71

石油作业的分析和测试

Chinese 石油作业的分析和测试
English Analysis and testing for oil workings
Spanish Análisis y pruebas para explotaciones petrolíferas
Term ID
042-71
Class
42
Type
Services
Status
Active · added, not since modified (A)
Effective date
1991-04-02
Version
07-1997