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DE460126C
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Housing for fans, pumps, etc. exposed to wear.
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DE472112C
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Device for supplying a secondary stream of gaseous or dripping liquid into the interior of a fan or a pump
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DE445125C
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Device on chimneys made of sheet iron to prevent the transfer of heat from the chimney to the structure
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DE444333C
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Impeller blower or pump with a ring drum-shaped impeller and spiral housing
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DE431274C
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Fan, the impeller of which revolves in a casing that is coaxially arranged and open at the ends
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DE425953C
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Fan with a deflector plate on the outlet side of the impeller
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DE438590C
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Control device for centrifugal pumps and blowers
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DE424680C
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Screw fan system
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DE388398C
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Fan pull system with flap-like locking device in the pull channel
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DE397831C
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Screw fan with scoop blades on a support frame attached to a wall opening or the like
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DE319341C
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Centrifugal wheel for gaseous and dripping liquids
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DE390919C
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Device for sucking in gaseous and dripping liquids by means of a current generated by a fan
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DE328827C
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Device for purifying gases
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DE474146C
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Arrangement for cooling shafts
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DE474748C
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Arrangement for cooling shafts
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DE474747C
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Propeller or propeller wheel
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