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1986-11-26
Process for the preparation of an intermediate containing silicon dioxide and carbon
JPS6353124B2
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1988-10-21
US2342368A
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1944-02-22
Zinc metallurgy
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1954-04-13
Process for coking-calcining complete smelting charge aggregates
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1916-04-18
METHOD AND MEANS FOR PRODUCING TITANIUM TETRACHLORID, (TiCl4.)
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1936-01-14
Method of producing sponge iron
JPS5838789A
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1983-03-07
合成ガスの製造方法及び製造装置
KR890003344B1
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1989-09-18
페로보론(ferroboron)의 제조공정
KR850003330A
(ko )
1985-06-17
화학공장으로부터 중금속함유 잔사의 회수방법
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1985-09-25
Process for carbothermic production of ferroboron or ferroboronsilicon alloy
FI70253C
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1986-09-15
Framstaellning av aluminium- kisellegeringar
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1974-09-17
Methods of treating silicious materials to form silicon carbide
SU395513A1
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1973-08-28
JPH026815B2
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1990-02-14
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1945-03-27
Process for manufacturing metallic magnesium from magnesium silicates
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1984-03-13
Process for recovery of aluminum from carbonaceous waste products
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1970-02-17
Gas-solid reaction
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1967-06-27
Process for reducing iron ore pellets
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1939-12-26
Process for simultaneous production of alumina cement and pig iron in blast furnaces
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(en )
1986-05-13
Moulded object of alumina matter-containing raw material for aluminum smelting by blast furnace method
CA2075466C
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1996-10-29
Methode de production de silicium et four electrique a arc a cuve basse et briquette de mise en oeuvre du procede
SU1309915A3
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1987-05-07
Способ получени алюмини
US2379576A
(en )
1945-07-03
Process for producing metallic magnesium from magnesium silicates
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(en )
1941-02-18
Method of producing fluorsparbearing metallurgical flux
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1922-09-05
Manufacture of iron and steel