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GB529302A
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Improvements in or relating to carbon sliding contact members for the collectors of electric vehicles
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GB424530A
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Improvements in or relating to arcuate carbon sliding contact members
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GB413201A
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Improvements in or relating to carbon sliding contact members
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GB422651A
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Improvements in carbon bow collectors for electric vehicles
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GB407281A
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A carbon bow current collector for electric vehicles
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GB364881A
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Improvements in or relating to cored carbons
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GB366717A
|
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Improvements in or relating to electrolytic processes
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GB362756A
|
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Improvements in or relating to electrodes for electrolysis and methods of making same
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GB365816A
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Improvements in or relating to carbons for electric arc lamps
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GB365815A
|
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Improvements in or relating to anodes for electrolysis
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GB362755A
|
|
Improvements in or relating to electrodes for electrolytic processes
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|
GB367534A
|
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Improvements in or relating to arc lamp electrodes
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GB288484A
|
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Improvements in incandescent electric lamp caps
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GB283817A
|
|
Improvements in incandescent electric lamp holders
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GB261730A
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Improvements in carbon slip-pieces for current bow collectors
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