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CA164780A
|
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Electric furnace
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CA164781A
|
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Metal production in electric furnaces
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US1167998A
|
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Process of obtaining metals, such as lead or zinc, in an electric furnace.
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CA155738A
|
|
Electric furnace
|
|
CA153810A
|
|
Current conveyer for electric vehicles
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US1082196A
|
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Electric furnace.
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|
GB191308267A
|
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Improvements in Track Contact Devices for Electric Tramway and like Vehicles.
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|
US1094563A
|
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Collector.
|
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CA155737A
|
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Electric furnace
|
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GB191302577A
|
|
Electric Furnace with Electrodes Passing through Charging Receptacles.
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|
US1082195A
|
|
Electric furnace.
|
|
CA154638A
|
|
Smelting furnace
|
|
CA164779A
|
|
Metal refining process
|
|
CA155609A
|
|
Electric induction furnace
|
|
GB191214164A
|
|
An Electric Induction Heater or Furnace.
|
|
GB191213577A
|
|
Process and Apparatus for Refining Metals by Heating.
|
|
US1093328A
|
|
Electric induction heater or furnace.
|
|
US1220111A
|
|
Apparatus for refining metals by heating.
|
|
US1069252A
|
|
Electric furnace.
|
|
US1057239A
|
|
Electric furnace.
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