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Spool assembly for field adjustable column length pump systems
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Submersible pump with handle providing electrical connection and oil port
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Premix boiler construction
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Water level control circuit for sump pumps and the like
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Convection heater with heating elements arranged in a stair step configuration
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Jet pump with rotatable venturi cartridge
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Side wall vent/air termination unit for boilers
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Premix boiler construction
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Electrical connector for float controlled pumps
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Battery monitoring and charging circuit for sump pumps
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Method and apparatus for detecting leakage in fuel storage and delivery systems
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Wall mounted forced air electric heater
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CA1205704A
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Boiler feed water deaerator spray valve turbulence shield
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Boiler feed water deaerator spray valve turbulence shield
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Reflex fan cylinder for water cooling towers
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Water cooling tower having combination splash and film fill structure
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Film fill sheets for water cooling tower having integral spacer structure
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Drift eliminator structure for counterflow water cooling tower
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Method and apparatus for pumping concrete to form structure at elevated heights
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Low head non-clogging water distribution nozzle for cooling towers
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