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GB191300047A
|
|
Improvements in or relating to Electrical Apparatus for Heating Liquids.
|
|
GB191229030A
|
|
Improvements in or relating to the Reduction of Sulphur Dioxide.
|
|
CA154525A
|
|
Electrode for electric furnaces
|
|
GB191028126A
|
|
Improvements in or relating to Electric Furnaces.
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|
GB191028536A
|
|
Improvements in or relating to Electrodes for Electric Furnaces.
|
|
GB191028030A
|
|
Improvements in or relating to the Extraction of Antimony from Ores containing it.
|
|
GB191021031A
|
|
Improvements in or relating to Magnetic Separators.
|
|
GB191020404A
|
|
Improvements in or relating to Electric Furnaces.
|
|
GB191019772A
|
|
Improvements in or relating to the Electrolytic Production of Antimony.
|
|
GB191006601A
|
|
Improvements in or relating to the Extraction or Recovery of Metals from Ores and other Materials.
|
|
GB190929328A
|
|
Improvements in or relating to the Distillation of Coal.
|
|
CA141628A
|
|
Electric furnace
|
|
US933491A
|
|
Ore-separating process.
|
|
GB190913291A
|
|
Improvements in or relating to the Smelting of Sulphide Ores and the like.
|
|
US1018727A
|
|
Electric furnace.
|
|
GB190912507A
|
|
Improvements in or relating to Electrodes for Electric Furnaces.
|
|
GB190906529A
|
|
Improvements in or relating to the Treatment of Manganese and Chromium Ores containing Iron.
|
|
GB190904175A
|
|
Improvements in or relating to Electrodes for Electric Furnaces.
|
|
GB190812408A
|
|
Improvements in Furnaces.
|
|
CA112766A
|
|
Ore separating process
|
