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DK17861C
(en)
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Device for Water Heaters in Stoves.
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DK20885C
(en)
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Device for Pipe Groups for Water Pipe Boilers.
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DK16920C
(en)
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Device at Furnaces for Steam Boilers.
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DK21836C
(en)
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Device for Pipe Groups with Zigzag Elements for Water Pipe Boilers.
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DK21878C
(en)
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Device for Pipe Groups for Water Pipe Boilers.
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DK17328C
(en)
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Devices for Pipe Groups for Water Pipe Boilers.
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DK15719C
(en)
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Boiler Pipe Blower.
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DK17220C
(en)
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Device for gas stoves with rotating burner pipes.
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FR463941A
(en)
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Heat concentrator stove
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FR19086E
(en)
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Heat concentrator stove
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DK17756C
(en)
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Device for Water Pipe Boilers with Built-in Superheater.
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DK18034C
(en)
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Water pipe boiler.
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AT82796B
(en)
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Tubular heat exchange device.
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DK17393C
(en)
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Device for Utilization of Waste Heat at Gas Stoves.
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DK18745C
(en)
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Hot water boiler.
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DK16800C
(en)
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Solder pipe burner for liquid fuel.
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DK17612C
(en)
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Mechanical Fuel Supply for Boiler.
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CH58280A
(en)
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Heating device on steam boilers
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DK16119C
(en)
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Device for flue pipe heaters for locomotive boilers, whose flue pipes are arranged in horizontal rows.
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DK14352C
(en)
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Device for Movement of the Groundwater in Steam Boilers.
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DK26301C
(en)
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Water pipe boiler.
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DK21800C
(en)
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Device for Regulating the Fuel Supply for Combustion Power Machines.
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DK15560C
(en)
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Carrying boiler for generating large flame masses.
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DK22394C
(en)
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Steam system with heat accumulator.
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DK16845C
(en)
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Device by Boilers.
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