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US3398880A
(en)
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Centrifugal fan
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US2321907A
(en)
|
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Blower device
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US2686630A
(en)
|
|
Blower
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US3254830A
(en)
|
|
Apparatus for varying the air quantity in air distribution chambers
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US3069070A
(en)
|
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Diffuser vane system for turbomachinery
|
|
US2189189A
(en)
|
|
Absorption dynamometer
|
|
US2703674A
(en)
|
|
Turbine driven fan unit
|
|
US4108580A
(en)
|
|
Attic fans
|
|
US1978277A
(en)
|
|
Multistage pump balancing means
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|
US3114061A
(en)
|
|
Refiner construction
|
|
US3739493A
(en)
|
|
Grain drying apparatus
|
|
US2584942A
(en)
|
|
Dynamically balanced rotor
|
|
US1863043A
(en)
|
|
Motor support for ventilating fans
|
|
US4232994A
(en)
|
|
Centrifugal turbomachine
|
|
US3086696A
(en)
|
|
Fan
|
|
US2469936A
(en)
|
|
Rotary pump
|
|
US2466153A
(en)
|
|
Stabilizer for washing machines
|
|
US2975961A
(en)
|
|
Blower unit
|
|
US1192978A
(en)
|
|
Pump.
|
|
US1714734A
(en)
|
|
Condensation pump and receiver
|
|
US1213461A
(en)
|
|
Pump.
|
|
US2336838A
(en)
|
|
Dynamometer
|
|
US2614501A
(en)
|
|
Screw and centrifugal pump
|
|
GB741975A
(en)
|
|
Improvements relating to fans
|
|
US2551227A
(en)
|
|
Koom cooler |