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US1841738A
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Distributor mounting for blast-furnace stacks
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CA859035A
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Furnace supporting structure
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CA859036A
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Blast furnace
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CA835864A
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Treatment of particulate material on circular moving support
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CA629820A
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Method of producing nitrogen dioxide
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CA856705A
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Supporting structure
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CA887562A
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Agglomeration apparatus
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CA910639A
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Treatment of material on a moving support
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CA878306A
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Method and apparatus for feeding particulate material
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CA616035A
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Method of operating blast furnaces
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CA859034A
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Furnace stabilizing structure
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CA838030A
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Agglomeration of iron oxide material
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CA637914A
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Method of and apparatus for making nitric acid
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CA834079A
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Agglomeration of iron oxide material
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CA808572A
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Agglomeration apparatus
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CA685018A
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Production of nitrogen dioxide
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CA856704A
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Furnace structure
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CA831369A
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Charging apparatus for an enclosure
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CA719549A
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Reciprocable conveyor
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CA868283A
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Agglomeration method and apparatus
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