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EP1916587A2
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Crank for a shaft
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DE3246526A1
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Biological dung maker
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DD159759A1
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Device for manufacturing horizonted railroad eagle
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DE2720991A1
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Ventilating arrangement for room heating - has flow adjusters passing waste and inlet air through heat exchanger
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DE2551078A1
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Ceiling mounted high velocity induction air inlet - has outer sides of secondary and mixing chambers bolted together
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DE2530567A1
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Quick to clean cattle stall floor grating - consists of strips or blocks welded or screwed to base on intermediate girders
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DE2415574A1
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Cattle-stall with foot-troughs - at front and back of each pen, may have water-drainage holes and may have layers of surface material on top
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DE2414691A1
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Mesh grille for cattle-stall foot-troughs - consists of frame in which bars are inserted into sockets with rough or smooth top surface
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DE2242582A1
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AIR EXHAUST DEVICE FOR ROOM AIR CONDITIONING AND VENTILATION SYSTEMS
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CA233992A
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Fastener
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