4. E - Fixed Constructions
  5. 21
  6. B

Stephen D. Lauer

E - Fixed Constructions – 21 – B

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Country: United States Of America

Apparatus and method for directional drilling

E - Fixed Constructions – 21 – B
Patent

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Borehole monitoring device and method

E - Fixed Constructions – 21 – B
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Drilling fluid circulation system

E - Fixed Constructions – 21 – B
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Pressure seal for pumping instruments through drill rod

F - Mech Eng,Light,Heat,Weapons – 16 – J
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Profile ID: LFCA-PAI-P-245681

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