Daniel Gallois

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La Grande Paroisse, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for converting an oil well to a well with effl...
- Patent number 4,480,697
- Issue date Nov 6, 1984
- Compagnie Francaise des Petroles
- Rene F. Goldaniga
- E21 - EARTH DRILLING MINING