SE7806524L
(sv )
1979-12-03
Sett att framstella kisel eller ferrokisel
ES408125A1
(es )
1975-10-01
Un metodo para la produccion combinada y simultanea de energia electrica y arrabio.
BE788283A
(en )
1973-02-28
Cast iron mfr - with reducing gases being blown in at a higher temp than usual
ES440031A1
(es )
1977-06-01
Metodo para reducir nodulos de mina de hierro en un horno decuba vertical.
SE7713817L
(sv )
1978-06-11
Forfarande for framstellning av kromjern
JPS53138913A
(en )
1978-12-04
Reblowing-in method for blast furnace being out of operation
JPS51121422A
(en )
1976-10-23
Process for improving property of slags in steel production
JPS536215A
(en )
1978-01-20
Operating method for blast furnace
GB945312A
(en )
1963-12-23
Method of producing pig iron or ferrous alloys in a blast furnace
JPS54103716A
(en )
1979-08-15
Re-use method of exhaust gas for shaft furnace type iron making method
CA944956A
(en )
1974-04-09
Process for the production of a reducing gas for blast furnace
SU428005A1
(ru )
1974-05-15
Способ производства листового технически чистого железа
GB1402951A
(en )
1975-08-13
Production of opaque glass
JPS51139503A
(en )
1976-12-01
A blast furnace operating method for blowing high-temperature reducing as into furnace
JPS5265709A
(en )
1977-05-31
Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace
FR2079397A1
(en )
1971-11-12
Tuyere and convertor for refining pig - iron
JPS5288203A
(en )
1977-07-23
Operation of hot stove
FR2156456A1
(en )
1973-06-01
Blast furnace combined operation - by blowing a reducing gas and an oxygen enriched flux
JPS52156108A
(en )
1977-12-26
Treatment of blast furnace gas
FR2115049A1
(en )
1972-07-07
Carbon-deficient sponge iron prodn - from iron ore by reducing with carbonaceous gases and then hydrogen
ES453258A1
(es )
1977-11-16
Procedimiento para mejorar las caracteristicas termicas en la fabricacion de acero al oxigeno basico.
GB732300A
(en )
1955-06-22
Improvements in or relating to cupola furnaces and methods of operating such furnaces
JPS524405A
(en )
1977-01-13
Air blast tuyere for blast furnaces
GB703429A
(en )
1954-02-03
Improvements in the manufacture of steel
JPS5233805A
(en )
1977-03-15
Spare blast furnace system