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AU4948079A
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Down the hole drive system
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CA1060709A
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Fluid driven motor having improved blade construction
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US4086788A
|
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Drive having a plurality of thrust bearings
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AU1254776A
|
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Gear system
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US3986370A
|
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Apparatus for connecting motors in tandem
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US3966369A
|
|
Inlet and outlet ports and sealing means for a fluid driven motor
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US3976408A
|
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Fluid driven motor having improved blade construction
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FR2142175A5
|
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Hydraulic motor/pump - esp for deep well boring with pivoted rotor vanes of flexible material
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CA948483A
|
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Variable speed motor drill
|
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DE2125331A1
|
|
Hydraulic motor/pump - esp for deep well boring with pivoted rotor vanes of flexible material
|
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GB1347384A
|
|
Rotary pump or motor
|
|
US3594106A
|
|
Variable speed motor drill
|
|
US3528515A
|
|
Rotary perforating tool and system for well perforation
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|
US3076514A
|
|
Deep well motor drill
|
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US2852230A
|
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Side wall coring and bottom hole drilling tool
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