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US3476651A
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Conveying coking apparatus with a downwardly extending tubular heating means
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Process of producing high-strength ore pellets
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Method and apparatus for producing coke
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Method for producing coke
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Process and apparatus for the production of coke or ore coke on a coking grate and for the recovery of gas of high calorific value
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Shaft furnace sintering method
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Electrical heating process and apparatus
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Improvements in or relating to electric heating
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GB866979A
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Improvements in or relating to electric heating
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Improvements relating to industrial furnaces
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