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DK16252C
(en)
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Melting furnace for the immediate production of iron and steel from iron ores.
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FR473326A
(en)
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Improvements in metallurgical furnaces
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DK15355C
(en)
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Procedure for the production of iron and steel immediately from ore.
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DK22028C
(en)
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Procedure for the manufacture of iron and steel and for the smelting of ores and metals and other molten bodies.
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DK22123C
(en)
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Procedure for immediate production of refined iron and refined steel from titanium-containing iron ores.
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DK13334C
(en)
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Procedure for the production of steel immediately from ore.
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DK13246C
(en)
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Oven for the manufacture of iron and steel.
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FR430808A
(en)
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Loader-unloader for metallurgical furnaces
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FR404287A
(en)
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Gasifier furnace for metal smelting
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FR16969E
(en)
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Gasifier furnace for metal smelting
|
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FR16795E
(en)
|
|
Gasifier furnace for metal smelting
|
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ES55103A1
(en)
|
|
Improvements in metallurgical furnaces.
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|
ES53173A1
(en)
|
|
Improvements in the furnaces for the direct production of iron and steel, from iron ores.
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|
DK20235C
(en)
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Cladding material for structures and parts of iron, steel and the like.
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FR17174E
(en)
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Manganese fertilizers made from blast furnace slag
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FR452602A
(en)
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Manganese fertilizers made from blast furnace slag
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DK20204C
(en)
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Metal melting furnace.
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|
DK13338C
(en)
|
|
Procedure for Reduction of Iron Ore to Metal.
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|
FR461241A
(en)
|
|
Metal furnace
|
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CA150440A
(en)
|
|
Furnace for the manufacture of iron and steel
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|
FR474249A
(en)
|
|
Improvements to metal smelting furnaces
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|
DK17131C
(en)
|
|
Machine for the production of slate and the like.
|
|
FR462568A
(en)
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Metal furnaces
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CH59007A
(en)
|
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Refractory lining for industrial furnaces
|
|
FR394292A
(en)
|
|
Metallurgical furnace
|