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

Jr. Harold E. Mcgowen

E - Fixed Constructions – 21 – B

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Apparatus for installing and removing flow valves

E - Fixed Constructions – 21 – B
Patent

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Apparatus for installing and removing flow valves

E - Fixed Constructions – 21 – B
Patent

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Crossover apparatus for gas and oil wells

E - Fixed Constructions – 21 – B
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Offset mandrel for small diameter tubing

E - Fixed Constructions – 21 – B
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Offset retrievable valve and apparatus

E - Fixed Constructions – 21 – B
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Orifice valve assembly

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Profile ID: LFCA-PAI-P-425150

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