|
US1477135A
|
|
Metal bloom and method of making same
|
|
US1296973A
|
|
Method for reducing iron oxids.
|
|
CA154152A
|
|
Cast iron
|
|
US978905A
|
|
Method of making steel.
|
|
US978906A
|
|
Process of treating cast-iron waste.
|
|
CA121323A
|
|
Electric smelting iron oxides
|
|
CA108380A
|
|
Material for iron refining
|
|
CA121322A
|
|
Process of smelting iron oxides
|
|
US924677A
|
|
Process of smelting iron oxids.
|
|
US924676A
|
|
Electric smelting of iron oxids.
|
|
US864972A
|
|
Material for use in refining iron and process of preparing the same.
|
|
US860922A
|
|
Process of reducing iron oxids.
|
|
CA108539A
|
|
Reduction of iron oxides
|
|
CA126635A
|
|
Charge for iron smelting
|
|
US862978A
|
|
Charge mixture for iron-smelting.
|
|
CA106128A
|
|
Process of reducing iron oxides
|
|
US856351A
|
|
Process of reducing iron oxids.
|
|
US805564A
|
|
Manufacture of steel.
|
|
US730274A
|
|
Ingot-casting apparatus.
|
