E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/00 (2006.01) E21B 23/00 (2006.01) E21B 29/08 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2459910
A adjustable expansion cone assembly.
Ensemble cône d'expansion réglable.
Brisco David Paul
Cook Robert Lance
Ring Lev
Waddell Kevin
Enventure Global Technology
Kirby Eades Gale Baker
LandOfFree
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