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AU509112B
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improvements, inthe treatment of ores
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US1043850A
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Process of separating ores.
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US1043851A
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Process of separating ores, &c.
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GB191125369A
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Improved Process for the Magnetic Preparation or Oiling of Ores or the like and Apparatus therefor.
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GB191118189A
|
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Improvements in or relating to the Separation of Ores or the like.
|
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GB191113208A
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Improvements in the Treatment of Ores.
|
|
US996491A
|
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Magnetic preparation of ores.
|
|
US993451A
|
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Treatment of auriferous and argentiferous ores.
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AU2011710B
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Improvements inthe treatment of auriferous and argentiferous ores
|
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GB191013009A
|
|
Improvements in or relating to the Separation of Ores or the like.
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