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CH54375A
(en)
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Rotary machine that can work as a pump, fan, motor, etc.
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DK8443C
(en)
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Rotating Machine that can be used as Motor, Pump or Fan.
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DK9114C
(en)
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Centrifugal fan or pump.
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ES35722A1
(en)
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Improvements in centrifugal pumps or fans.
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DK27626C
(en)
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Rotary machine that can be used as a Pump, Compressor or Motor.
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CH38390A
(en)
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Centrifugal fan
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DK30634C
(en)
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Revolving, as Pump or Motor Working Machine.
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GB190616734A
(en)
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Improvements in Centrifugal Fans and Pump Wheels.
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ES51382A1
(en)
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Improvements in rotating machines that can be used as motors, pumps or compressors.
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ES46492A1
(en)
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Rotary pumps and motors improvements.
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DK2042C
(en)
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Rotating Machine, usable as Motor or as Pump.
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CA96868A
(en)
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Centrifugal pump, turbine blower, etc.
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ES38643A1
(en)
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Improvements in machines or rotary motors.
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CA109795A
(en)
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Centrifugal fan and pump wheel
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ES49401A1
(en)
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Improvements in pumps, compressors and centrifugal fans.
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CA88713A
(en)
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Rotary propeller, motor, pump or fan
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ES37846A1
(en)
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Fan improvements.
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DK8229C
(en)
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Rotating Machine.
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GB190616689A
(en)
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Improvements relating to Ventilating Fans.
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CA105415A
(en)
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Pump blower, compressor, etc.
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AT25391B
(en)
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Stage centrifugal pump or blower.
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DK1155C
(en)
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Rotating Machine, usable as Motor or as Pump.
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AU296105B
(en)
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Improvements in centrifugal fans or pumps
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ES49478A1
(en)
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Improvements in pumps, compressors or single or multicellular centrifugal fans.
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DK14569C
(en)
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Centrifugal fan or pump.
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