E - Fixed Constructions – 21 – B
Inventor
E - Fixed Constructions
21
B
Inventor
Country: United States Of America
Debris barrier for downhole tools
Expandable bit with a secondary release device
Expandable bit with a secondary release device
Pressure activated release member for an expandable drillbit
Pressure activated release member for an expandable drillbit
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Profile ID: LFCA-PAI-P-1566282