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ES156892A1
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Carbonization oven defube of cuba with central pipe of output of gases of sweeping
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ES156160A1
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Tunnel oven with endless conveyor
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ES155340A1
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Procedure for obtaining semicok in the form of breads or agglomerated, starting from combustibles fosiles of recent training
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GB521152A
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Process for the production of a high-quality graded coke or semi-coke from bituminous coal
|
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GB507985A
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Apparatus for the central introduction of the flushing gas into an annular shaft-like retort
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GB391975A
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Improvements relating to the production of solid fuel by briquetting and heat-treating
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US1229637A
|
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Process of distilling and exsiccating watery combustibles.
|
|
US1228942A
|
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Retort-discharger.
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CA321161A
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Coke production
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