Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24F
AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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13/00
Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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F24F13/08
Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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F24F13/14
built up of tilting members, e.g. louvre
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F24F13/1426
characterised by actuating means
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F24F2013/1433
with electric motors
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