SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION) TOUR ELF

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F-92400 COURBEVOIE, FR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for underwater welding of pipes
- Patent number 4,171,175
- Issue date Oct 16, 1979
- Compagnie Francaise des Petroles, Societe Anonyme
- Philippe C. Nobileau
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR