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GB190921700A
|
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Automatic Poultry Feeder.
|
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GB190827466A
|
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Improvements in or relating to Means for Separating Air or other Gaseous Fluid from Liquids.
|
|
GB190619395A
|
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Improvements in Means for Operating Railway or Tramway Points or Switches:
|
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GB190609124A
|
|
Improvements in or relating to Steam Boilers.
|
|
GB190211913A
|
|
Improvements in Advertising Devices
|
|
GB190125872A
|
|
Improvements in or pertaining to Apparatus suitable for Heating and Purifying Feed-water for Steam-generators.
|
|
GB190111594A
|
|
Improvements in Apparatus suitable for Heating or Evaporating Water or other Liquid and for Condensing Steam or other Fluid.
|
|
US661868A
|
|
Steam-generator.
|
|
US656019A
|
|
Water-tube boiler.
|
|
GB189918348A
|
|
Improvements in Water Tube Steam Boilers.
|
|
GB189905582A
|
|
Improvements in Water Tube Steam Generators.
|
|
GB189816400A
|
|
Improvements in Apparatus for Removing Ashes and the like from the Stoke-holds of Ships.
|
|
GB189729411A
|
|
Improved Apparatus for use in Cleaning Windows.
|
