US2224241A
(en)
|
|
Rotary extractor
|
ES382501A1
(es)
|
|
Perfeccionamientos introducidos en los aparatos de climati-zacion.
|
US3398880A
(en)
|
|
Centrifugal fan
|
US2321907A
(en)
|
|
Blower device
|
US2686630A
(en)
|
|
Blower
|
US3254830A
(en)
|
|
Apparatus for varying the air quantity in air distribution chambers
|
PL54674B1
(OSRAM)
|
|
|
US4066383A
(en)
|
|
Surface aeration impeller
|
US1978277A
(en)
|
|
Multistage pump balancing means
|
US3114061A
(en)
|
|
Refiner construction
|
US2634617A
(en)
|
|
Gyratory drive for sifters
|
US3739493A
(en)
|
|
Grain drying apparatus
|
US1863043A
(en)
|
|
Motor support for ventilating fans
|
US3086696A
(en)
|
|
Fan
|
US2469936A
(en)
|
|
Rotary pump
|
BR112019012966B1
(pt)
|
|
Freezer de espiral configurável
|
US2932441A
(en)
|
|
Fan
|
US4066382A
(en)
|
|
Surface aeration impeller
|
US1879450A
(en)
|
|
Ventilator
|
US2336838A
(en)
|
|
Dynamometer
|
GB741975A
(en)
|
|
Improvements relating to fans
|
US3173607A
(en)
|
|
Air pump
|
US2474611A
(en)
|
|
Mounting of fan units in ventilating shafts
|
BR202017015129U2
(pt)
|
|
disposição construtiva aplicada em caixa de ventilação
|
GB911111A
(en)
|
|
Improvements in centrifugal fan assemblies
|