PL272884A2
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Ring chamber and gravity die furnace for firing electrode products operating in a system of several separate fires
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PL268755A1
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Method of obtaining electrodes exhibiting improved resistance to thermal shocks
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PL255879A2
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Method of obtaining graph tized ma terials exibiting uniform degree of graphitization
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PL255853A2
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Method of protecting an electrofilter against fire
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PL252609A2
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Method of and system for continuously measuring temperatures of loose and plastic materials
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PL250821A2
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Method of controlling the course of graphitization process in acheson's electric resitance furnace
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PL247274A2
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Loose fill insulation for graphitization furnaces
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PL244839A2
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Method of manufacture of carbon-metal composite material
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PL243956A2
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Method of adjustment of thermal conductivity of non-graphitized electrode material
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PL238366A2
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Method of manufacture of the plastic of polytetrafluoroethylen with fillers
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PL237875A1
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Apparatus for testing the voltage and resistance in electric circuits
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RO65158A
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Process for the manufacture of carbon or graphite electrodes
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