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US2902265A
(en)
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Heat retriever
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SE122842C1
(cg-RX-API-DMAC7.html)
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FR2314448A1
(fr)
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Chaudiere a gaz, notamment pour le chauffage central
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GB847141A
(en)
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Improvements relating to gas fires
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GB931111A
(en)
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Improvements in and relating to heat exchange recuperator units
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US1093103A
(en)
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Heating apparatus.
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SU114040A1
(ru)
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Устройство дл уменьшени тепловых потерь в электроэмалировочных многокамерных печах
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US2413578A
(en)
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Heating drum |
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GB951596A
(en)
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A gas heating apparatus
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GB969486A
(en)
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Improvements in or relating to preheaters for high temperature furnaces
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GB706174A
(en)
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Improvements relating to heat exchangers
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GB925365A
(en)
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Space heating appliance
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GB519675A
(en)
|
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Improvements in, or relating to, furnaces
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SE128864C1
(cg-RX-API-DMAC7.html)
|
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GB714637A
(en)
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Improvements in or relating to electrically heated drying ovens
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GB769776A
(en)
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Improvements in or relating to air heating apparatus
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GB686883A
(en)
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Apparatus for utilising waste heat from a fireplace or combustion furnace for heating air
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DK74326C
(da)
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Anordning ved bagerovne med perkinsrør eller andre i fyrrummet udmundende varmeoverføringsorganer til silkring mod rørsprængning.
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SE127145C1
(cg-RX-API-DMAC7.html)
|
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GB1127778A
(en)
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Improvements in or relating to hot air generators
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GB441357A
(en)
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Improvements in the process of, and apparatus for, production of smokeless hot air for drying, especially of ceramic wares
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GB787747A
(en)
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Improvements in and relating to heat exchangers
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GB750124A
(en)
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Improvements in or relating to apparatus for utilising the waste heat of gases having a high dew point
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GB597174A
(en)
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An improved heat exchanger
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GB519474A
(en)
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Air heaters for blast furnaces
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