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DK8962C
(en)
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Apparatus for generating water circulation both longitudinally and transversely in steam boilers.
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DK11816C
(en)
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Apparatus for Providing Water Circulation in Steam Boilers.
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DK8235C
(en)
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Device for Maintenance of constant Water level in Steam boilers and the like.
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DK11097C
(en)
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Apparatus for blowing out the pipes in steam boilers.
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DK8523C
(en)
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Apparatus for Circulating Water in a Piping System.
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DK12702C
(en)
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Apparatus for Accelerating the Circulation of Hot Water in Boilers, Pipes and the like.
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DK10770C
(en)
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Apparatus for temperature exchange, in particular between steam and water.
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DK3148C
(en)
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Circulation device for the water in steam boilers.
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CH37388A
(en)
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Equipment on steam boilers for generating water circulation
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GB190616816A
(en)
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Improvements in Water-tube Steam Boilers.
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CH43989A
(en)
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Device for achieving water circulation in steam boilers
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DK6261C
(en)
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Apparatus for generating sound vibrations in water.
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DK9049C
(en)
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Steam Boiler Pipe Processing Machine.
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CH35722A
(en)
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Gas-fired hot water generator
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DK13025C
(en)
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Apparatus for generating Circulation of Steam or Water.
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DK11907C
(en)
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Device for mixing superheated steam in steam machines with steam of lower heat.
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DK8493C
(en)
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Circulation device for hot water heaters.
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ES39616A1
(en)
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An apparatus for preparing the decoction of flax grains to prevent the formation of tartar in steam boilers.
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DK8425C
(en)
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Steam boiler.
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DK5670C
(en)
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Apparatus for Utilizing the Heat in the Combustion Products from Steam Boiler Stoves.
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ES33883A1
(en)
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Improvements in water pipes for steam generators.
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GB190606582A
(en)
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Improvements in Fire Bridges for Steam Generators
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ES39473A2
(en)
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An apparatus for heating water and other liquids.
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AT23577B
(en)
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Steam boiler.
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DK9523C
(en)
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Steam heater for circulation purposes.
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