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GB122048A
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Improvements in the Recovery of Potash Salts in the Manufacture of Pig Iron.
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GB121373A
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Improvements in the Production of Artificial Fuel and in the utilization of Peat.
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GB102386A
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Improvements in the Manufacture of Refractory Bricks and Cement.
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GB191515163A
|
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Improvements in the Manufacture of Refractory Bricks.
|
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GB191514391A
|
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Improvements in the Utilisation of Mond Gas, and the Recovery of Bye-products therefrom.
|
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GB191420258A
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Improvements in the Utilization of Blast Furnace Slag and in the Recovery of Products therefrom.
|
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GB191405184A
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Improvements in Artificial Manures and Fertilizers.
|
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GB191401820A
|
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Improvements in the Utilization of Coke Oven Gas and the Recovery of Bye-products therefrom.
|
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GB191118406A
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Improvements in Refining Molten Pig Iron for Steel Making and other purposes.
|
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GB190709073A
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Improvements in Treating Slags, from Steel and Iron Making Processes, and Utilizing the Products thereof.
|
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GB190701615A
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Improvements in the Concentration of Argillaceous Iron Ores.
|
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GB190404557A
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Improvements in the Utilization of Blast Furnace Slag, and similar Materials
|
|
GB190118843A
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Improvements in the Separation of Tin from Tin Scrap or Cuttings.
|
|
US703165A
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Process of separating tin from metals.
|
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GB190014983A
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Improvements in the Treatment of Zinc-lead Sulphide Ores and Tailings
|
|
GB190004896A
|
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Improvements in the Direct Production of Iron and Steel.
|
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GB189509332A
|
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Improvements in the Fixation of Nitrogen and the Production of Cyanides.
|
|
GB189502625A
|
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Improvements in the Recovery of Ammonia from Sewage Effluent and other Weak Ammoniacal Liquors.
|
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GB189321024A
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Improvements in the Utilization of Sewage Sludge.
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