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SE71246C1
(cg-RX-API-DMAC7.html)
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US1999780A
(en)
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Regenerative chamber oven for the production of coke and gas
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GB326981A
(en)
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Improvements relating to heat exchangers
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DE457612C
(de)
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Gasbuegeleisen
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GB479634A
(en)
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Improvements relating to the drying of buildings
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GB636923A
(en)
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Improvements in and relating to steam power plants
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GB490813A
(en)
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Improvements in coke ovens
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GB1134669A
(en)
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Improvements in or relating to baking or drying ovens
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GB729554A
(en)
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Improvements relating to space-heating radiators
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DE524846C
(de)
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Auspuff fuer Brennkraft-Grubenlokomotiven
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GB569706A
(en)
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Improved cloth drying unit
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SE99942C1
(cg-RX-API-DMAC7.html)
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GB285783A
(en)
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Improvements in or relating to air-heaters for boiler and other furnaces
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GB375861A
(en)
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Improvements in ventilating systems
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GB382075A
(en)
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Improvements relating to grain conditioning machines
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GB380572A
(en)
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Improvements in turbo-motors
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GB322800A
(en)
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Improvements in and relating to exhaust ventilators
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GB305958A
(en)
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An improved air extractor for vehicles or buildings
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SU667776A1
(ru)
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Приточный сто к
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AT150362B
(de)
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Sparherd.
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GB371605A
(en)
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Improvements in or relating to radiators for heating purposes
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GB362348A
(en)
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Improvements in chimney & ventilation shaft tops and the like
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GB387852A
(en)
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Improvements in and relating to drying apparatus
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GB367846A
(en)
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Plant for drying ceramic wares and the like
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GB209014A
(en)
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Improved means for drying copra
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