JPS5362717A
(en )
1978-06-05
Process for directly producing steel from iron ore
GB2011477B
(en )
1982-10-20
Process for the production of steel from pig iron and scrap
YU196879A
(en )
1982-10-31
Improved process for direct reduction of iron by means of coal gas
GB2109413B
(en )
1986-07-02
Direct production of steel from iron ore
DE3572694D1
(en )
1989-10-05
Process for the production of molten pig iron or steel pre-products as well as arrangement for carrying out the process
ZA786885B
(en )
1979-11-28
Process for the production of steel from pig iron and scrap
ZA757537B
(en )
1976-11-24
Process for the production of molten iron
JPS565904A
(en )
1981-01-22
Production of cast iron using preereduced iron ore
DE3170721D1
(en )
1985-07-04
Process for the production of high-purity metallic iron
DE3661424D1
(en )
1989-01-19
Process for the production of molten pig iron or steel pre-products
ZA805219B
(en )
1981-09-30
Process for manufacturing steel from solid metallic sources of iron
YU230781A
(en )
1984-06-30
Process for the reduction of iron ore into sponge iron by means of a gaseous reducing agent
CA1012774A
(en )
1977-06-28
Process for the direct reduction of iron ores
JPS531606A
(en )
1978-01-09
Vertical furnace for direct reduction of iron ore
ZA792749B
(en )
1980-06-25
Method for the production of steel from iron sponge in electric furnaces
YU30476A
(en )
1982-05-31
Process for cooling iron or steel parts
ZA776983B
(en )
1978-09-27
Process for selective flocculation of hematitic iron ores
EP0258678A3
(en )
1988-07-20
Process for the production of iron from fine-grained iron ores
NZ191809A
(en )
1981-07-13
Production of steel and iron from iron ore dust by direct reduction
ZA796200B
(en )
1980-11-26
Process for the production of steel from iron ore dust by direct reduction
DE3380851D1
(en )
1989-12-21
Process for the reduction of molten metal ores
YU42786B
(en )
1988-12-31
Vertical retort for the production of iron sponge by means of direct reduction of iron ore
ZA752046B
(en )
1976-03-31
Process for the smelting of steel
ZA807913B
(en )
1982-01-27
Improved leaching process for metal ores
ZA807738B
(en )
1981-12-30
Steel production process