E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/00 (2006.01) C22C 38/04 (2006.01) C22C 38/42 (2006.01) E21B 17/00 (2006.01) E21B 17/08 (2006.01) E21B 29/10 (2006.01)
Patent
CA 2576989
A method of expansion.
Procede d'expansion
Brisco David Paul
Costa Scott
Gray Malcolm
Grinberg Grigoriy
Shuster Mark
Enventure Global Technology Llc
Kirby Eades Gale Baker
LandOfFree
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