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1982-04-15
Method and apparatus for the direct reduction of iron ore
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1983-12-28
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1986-07-23
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1986-07-17
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1986-10-29
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1988-06-09
Process for the direct reduction of materials containing iron oxide
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1982-06-09
Rocess and apparatus for the direct reduction of iron ores
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1986-06-04
Refining agent of molten metal and methods for producing the same
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1985-10-10
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AU518490B2
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1981-10-01
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1989-02-02
Process for the direct reduction of particulate material containing iron oxide
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1987-11-12
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1984-12-24
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1986-08-27
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1985-04-11
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1989-02-28
Process for the reduction of iron ore into sponge iron
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1982-07-14
Lime bearing agent for use in refining of ferrous melt
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1978-09-20
Desulfurization agent for molten iron and desulfurization method thereof
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1983-02-16
Desulphurisation of metals
JPS57181321A
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1982-11-08
Molten iron desulfurization and apparatus
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1983-01-26
Process for reducing the iron contents of desulphurisation slags and agent suitable for this purpose
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1989-12-21
Process for the reduction of molten metal ores
ZA793994B
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1980-08-27
Process and equipment for the continuous treatment of molten sulphurcontaining slags
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1986-09-04
Apparatus and process for the treatment of molten metal
ZA82801B
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1982-12-29
Method and apparatus for the reduction of metal ores