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GB1307636A
(en)
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Heating appliance
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PL415426A1
(pl)
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Opalany wymiennik ciepła
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SE177980C1
(zh)
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US1743989A
(en)
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Heat exchanger
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RU2659643C2
(ru)
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Способ сжигания соломы в котле и водогрейный котел, работающий на соломе
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PL91719B1
(zh)
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US1140239A
(en)
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Combined hot-water or steam and hot-air heater.
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US1623746A
(en)
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Furnace and cooling device
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US2604084A
(en)
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Fluid heater
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PL80033B1
(zh)
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DE507667C
(de)
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Ofen fuer Wasch- und aehnliche Kessel mit im Innern des Betonmantels vorgesehenem Luftkuehlraum
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US1611040A
(en)
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Steam boiler heated by the waste gases |
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US2218898A
(en)
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Steam generator or water heater
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US1886506A
(en)
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Hot air furnace
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US2588759A
(en)
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Gas burner with secondary |
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US1651613A
(en)
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Boiler for hot-water heating plants
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US1898096A
(en)
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Sectional boiler
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US2212666A
(en)
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Hot air furnace
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US1924938A
(en)
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Burner construction
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US2047881A
(en)
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Thimble tube boiler
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US620408A
(en)
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berry |
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SU12736A1
(ru)
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Паровой котел, отапливаемый гор чими газами, образующимис при горении в распыленном виде железного колчедана
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US1576020A
(en)
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Hot-air furnace
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US1590379A
(en)
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Furnace
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US2982264A
(en)
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Heater for circulating liquids
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