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US2016051A
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Method of coking carbonizable materials and of recovering vapors and gases resulting therefrom
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GB384746A
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Improvements in or relating to apparatus for charging coke ovens
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US1956529A
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Valve
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US2039450A
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Method of treating road surfaces
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US1981123A
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Composition of matter and process of preparing the same
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US1942980A
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Process of coking liquid or liquefiable bituminous material
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US1942979A
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Charging apparatus for coke ovens
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CA325279A
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Coke oven charging apparatus
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CA319625A
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Process of coking bituminous materials
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CA319626A
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Process of treating bituminous materials
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