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John D. Watts
John D.
Watts
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Downhole well pump
F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
[ 0.00 ] – not rated yet
Downhole well pump
E - Fixed Constructions – 21 – B
Patent
[ 0.00 ] – not rated yet
Downhole well pump
F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
[ 0.00 ] – not rated yet
Downhole well pump and method
F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
[ 0.00 ] – not rated yet
Hydraulically driven downhole pump
F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
[ 0.00 ] – not rated yet
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Profile ID: LFCA-PAI-P-79931
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