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SU128295A1
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Piston pump for wells
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SU121662A2
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Labyrinth seal pump piston
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SU120733A1
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Pump installation for water supply from wells
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SU120477A1
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Cell filter
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SU108251A1
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Submersible pump
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SU104544A2
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Double acting sucker rod pump
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SU103947A1
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Jet pump with annular nozzle for pumping homogeneous liquids
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SU100301A1
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Plunger pump for pumping bottom water from mine wells
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SU101529A1
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Vacuum Tubular Well
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SU97014A1
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Deepwater Pressure Pump
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SU99952A1
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The method of purification and fermentation of neutralized
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Brazagonmonna installation
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SU79117A1
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Filter for oil and water wells
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