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US1769153A
(en)
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Rotary blower or pump
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ES382501A1
(es)
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Perfeccionamientos introducidos en los aparatos de climati-zacion.
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US3398880A
(en)
|
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Centrifugal fan
|
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US2686630A
(en)
|
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Blower
|
|
US3254830A
(en)
|
|
Apparatus for varying the air quantity in air distribution chambers
|
|
US3305164A
(en)
|
|
Fans of the cross-flow type
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|
US1905101A
(en)
|
|
Air conditioner
|
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US2189189A
(en)
|
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Absorption dynamometer
|
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PL54674B1
(https=)
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|
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US2703674A
(en)
|
|
Turbine driven fan unit
|
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US4108580A
(en)
|
|
Attic fans
|
|
US1978277A
(en)
|
|
Multistage pump balancing means
|
|
US3739493A
(en)
|
|
Grain drying apparatus
|
|
US2448297A
(en)
|
|
Liquid rotor spray mechanism
|
|
US3086696A
(en)
|
|
Fan
|
|
US2469936A
(en)
|
|
Rotary pump
|
|
US2496720A
(en)
|
|
Heater fan mounting
|
|
US2108703A
(en)
|
|
Blower drive and support
|
|
US2975961A
(en)
|
|
Blower unit
|
|
US2901959A
(en)
|
|
Air distributing system
|
|
US1213461A
(en)
|
|
Pump.
|
|
US2336838A
(en)
|
|
Dynamometer
|
|
US2614501A
(en)
|
|
Screw and centrifugal pump
|
|
GB741975A
(en)
|
|
Improvements relating to fans
|
|
US3876344A
(en)
|
|
Counterbalance for rotary engine
|