VALLOURCE OIL AND GAS FRANCE

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Aulnoye-Aymeries, FR

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Information Patent Application
ASSEMBLY FOR PRODUCING A THREADED CONNECTION FOR DRILLING AND OPERA...
- Publication number 20160146381
- Publication date May 26, 2016
- VALLOURCE OIL AND GAS FRANCE
- Pierre Bernard MARTIN
- E21 - EARTH DRILLING MINING

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