Jean-Francois Falcon

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Marolles en Brie, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for braking a derrick winch
- Patent number 4,865,393
- Issue date Sep 12, 1989
- Schlumberger Technology Corporation
- Jean-Francois Falcon
- B66 - HOISTING LIFTING HAULING