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DK88C
(en)
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Device for Achieving Circulation or Movement of Air in Heating, Ventilation and Similar Installations.
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CH8701A
(en)
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Device for achieving circulation or movement of air in heating systems, ventilation etc.
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CH9508A
(en)
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Heating, resp. Cooling and ventilation apparatus
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DK558C
(en)
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Heating and ventilation device for Jærnban etog.
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DK320C
(en)
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Apparatus for heating or cooling liquids.
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CH11376A
(en)
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Central heating and ventilation oven
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ES16897A1
(en)
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An aero-hydraulic device to purify and cool the air in rooms, also applicable to the preservation of food substances.
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CH10726A
(en)
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Air humidifier
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CH9613A
(en)
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Air humidifier
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GB189509818A
(en)
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Improvements in Apparatus for the Ventilation and Heating of Buildings and Apartments.
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CH17145A
(en)
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Cooling system with air circulation and ventilation
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GB189523921A
(en)
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Improvements in Ventilating Fans.
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DK29C
(en)
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Apparatus for Heating or Pasteurizing Milk.
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CH9673A
(en)
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Air heating oven
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CH7072A
(en)
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Fan with heater
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ES13529A1
(en)
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Improvement in the equipment for heating and ventilating buildings and for cooling, cleaning and purifying the air.
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CH10836A
(en)
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Chimney and ventilation hat
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GB189518148A
(en)
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Combined Fire Place and Air Heating Apparatus.
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GB189524600A
(en)
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Improvements in Apparatus for the Circulation of Conduction of Water, Air, Steam, or any other Fluid or Gas.
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CH13297A
(en)
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fan
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GB189500085A
(en)
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Improved Means for Heating and Purifying Air.
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GB189512814A
(en)
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Improvements in Ventilators or Air Extractors.
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ES14797A1
(en)
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An apparatus for heating and ventilating rooms.
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GB189523163A
(en)
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Improved Apparatus for Heating or Cooling Liquids and Gases.
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CH12978A
(en)
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New, adjustable and transportable air flow (wind) heating device
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