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US1395755A
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Hydrometallurgy of copper
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GB101339A
|
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Improvements in or relating to the Extraction of Copper.
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US1223454A
|
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Hydrometallurgical apparatus for the recovery of copper.
|
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US1235953A
|
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Production of hydrogen sulfid.
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US1201899A
|
|
Hydrometallurgy of copper.
|
|
US1262770A
|
|
Absorbent material and process of producing the same.
|
|
US1262769A
|
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Manufacture of chlorinated hydrocarbons.
|
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US1151236A
|
|
Metallurgy of copper.
|
|
US1220411A
|
|
Manufacture of hydrochloric acid.
|
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US1173566A
|
|
Utilization of sulfur dioxid.
|
|
GB191500138A
|
|
Improved Process for the Recovery of Cuprous Sulphide from Ores and the like.
|
|
GB191500143A
|
|
Improved Method for the Recovery of Cuprous Sulphide from Ores and the like.
|
|
CA166412A
|
|
Cuprous sulphide recovery
|
|
CA166411A
|
|
Cuprous sulphide recovery
|
|
US1145579A
|
|
Recovery of sulfur dioxid.
|
|
US1140866A
|
|
Flotation of minerals.
|
|
US1140865A
|
|
Flotation of minerals.
|
|
US1151234A
|
|
Recovery of cuprous sulfid from ores and the like.
|
|
US1151235A
|
|
Recovery of cuprous sulfid from ores and the like.
|
|
US1089096A
|
|
Hydrometallurgy of copper.
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