Trademark Application Search Results for *DUOFRAC*
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DUOFRAC by SCHLUMBERGER TECHNOLOGY CORPORATION (Track this)
Intl: (001) Chemicals US: 006 Filing date: 08-Jun-1964 Serial number: 72195075
DUOFRAC by SCHLUMBERGER TECHNOLOGY CORPORATION (Track this)
Intl: (001) Chemicals US: 006 Filing date: 08-Jun-1964 Serial number: 72195075