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DK4985C
(en)
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Device for Extraction of the Fly Ash in Flame Pipe Boilers.
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DK4568C
(en)
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Device for Flame Pipe Boilers.
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DK4831C
(en)
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Superheaters for Flame Pipe and Boiler Pipe Boilers.
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DK17445C
(en)
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Device for Increasing Heat Utilization in Flame Pipe Boilers.
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CH26418A
(en)
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Smoke-consuming steam boiler combustion
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CH25552A
(en)
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Draft shut-off device on the furnace of flame tube boilers
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DK7783C
(en)
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Device for steam boilers for achieving smoke combustion and fuel saving.
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DK14352C
(en)
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Device for Movement of the Groundwater in Steam Boilers.
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DK5703C
(en)
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Device for combined smoke and water pipe boilers.
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DK4840C
(en)
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Insert for Steam Boilers with Fire Channel.
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DK15719C
(en)
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Boiler Pipe Blower.
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DK5997C
(en)
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Device for Superheaters for Boilers with Flue Pipes.
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FR327164A
(en)
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Artificial fuels
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ES29858A1
(en)
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Improvements in combustible liquid burners.
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DK6782C
(en)
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Time fire pipe with Ignition spring.
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ES33005A1
(en)
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A rational system of combustion in the hearths of the boilers.
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DK8260C
(en)
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Boilers for Boiler Pipe Boilers.
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DK6454C
(en)
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Procedure for Using Suction Gas to Heat Steam Boilers.
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DK7125C
(en)
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Pipe Sealing Device.
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DK4588C
(en)
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Steam soot blower for flue steam boilers.
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DK5804C
(en)
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Fire pipes with associated Fire pipe kit.
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DK4590C
(en)
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Device for Water Pipe Boilers.
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DK6468C
(en)
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Incandescent burner for liquid fuels.
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DK7045C
(en)
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Centering device for petroleum wick burners.
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DK6322C
(en)
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Device by Boilers.
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