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US1069205A
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Treatment of copper liquors.
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GB191109174A
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Improvements in the Treatment of Copper Liquors.
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US921312A
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Treatment of pyrites liquor for winning metals therefrom.
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US975907A
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Process for producing zinc pigments from liquors obtained from pyrites or pyrites-cinder and the like.
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US935337A
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Wet method of separating metallic compounds.
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GB190727426A
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Improvements in Treating or Utilising Liquor Obtained from Pyrites, Pyrites Cinder, and the like.
|
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GB190727142A
|
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Improvements in Wet Methods of Separating Metallic Compounds
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GB190724847A
|
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Improvements in Treating or Utilising Liquors obtained from Pyrites, Pyrites Cinder and the like
|
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GB190723173A
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Improvements in Luggage Carriers, of Folding Types, for Cycles and the like
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GB190627515A
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Improvements in Treating or Utilizing Pyrites Cinder and other Metallic Sulphides Low in Sulphur.
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