CH273746A
(en )
1951-02-28
Process for the production of castings from steel and steel alloys.
AT174071B
(en )
1953-02-25
Process for producing steel from pig iron by refining
CH326530A
(en )
1957-12-31
Process for the preparation of iron dicyclopentadienyl
AT174069B
(en )
1953-02-25
Process for the production of technically pure iron
AT218052B
(en )
1961-11-10
Process for the production of steel by refining pig iron
CH305469A
(en )
1955-02-28
Process for the production of gray cast iron.
AT187538B
(en )
1956-10-25
Process for producing high-quality steel by refining or deoxidizing with slag
AT199210B
(en )
1958-08-25
Process for reducing iron ores
AT188453B
(en )
1957-01-25
Process for the production of ingots from unkilled steel
AT174621B
(en )
1953-04-25
Process for improving cast iron
AT172628B
(en )
1952-09-25
Process for the production of malleable cast iron
AT174619B
(en )
1953-04-25
Process for the production of technically pure iron by refining pig iron with oxygen
AT192430B
(en )
1957-10-25
Process for the production of low-nitrogen steel from Thomas pig iron in the wind-fresh process
AT198229B
(en )
1958-06-25
Process for the production of coke containing iron ore
AT197977B
(en )
1958-05-27
Process for the production of lead-containing iron or steel ingots
AT176206B
(en )
1953-09-25
Process for the production of iron or copper oxide from iron or copper sulfate
AT177794B
(en )
1954-03-10
Process for the production of high quality cast iron
AT177795B
(en )
1954-03-10
Process for the production of high quality cast iron
AT176575B
(en )
1953-11-10
Method and device for the production of steel from pig iron by refining with oxygen-rich gas
AT175910B
(en )
1953-08-25
Process for the electrolytic production of iron from iron (II) sulfate solutions
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
AT177768B
(en )
1954-03-10
Process for the production of unsaturated nitriles
AT197410B
(en )
1958-04-25
Process for the production of steel from phosphorus pig iron, in particular Thomas pig iron
CH318924A
(en )
1957-01-31
Process for the production of reinforcing iron for reinforced concrete and device for carrying out this process
AT184201B
(en )
1955-12-27
Process for the desulfurization of iron in a shaft furnace