CH64974A
(en )
1914-05-16
Loading device on ore roasting furnaces
AT66476B
(en )
1914-08-25
Loading device for ore roasting furnaces with vertical agitator shaft.
AU1311814B
(en )
1914-07-21
Improvements in mechanical roasting furnaces
FR467488A
(en )
1914-06-12
Automatic blast furnace loading device
FR466241A
(en )
1914-05-07
Improvements in blast furnaces
FR450126A
(en )
1913-03-15
Loading device for blast furnaces with inclined lift
CH62291A
(en )
1913-11-17
Mechanical loading device on boiler furnaces
ES55103A1
(en )
1913-05-16
Improvements in metallurgical furnaces.
NL582C
(en )
1915-04-01
Metallurgical Furnace Screen
FR478158A
(en )
1915-11-26
Improvements in metallurgical furnaces
FR453156A
(en )
1913-06-02
Inclined plane hoists for loading blast furnaces
FR460079A
(en )
1913-11-22
Inclined plane hoists for loading blast furnaces
FR472354A
(en )
1914-12-03
Smoke-eating hearth
AU1426614B
(en )
1914-10-27
An improved ore reducing furnace
AU857813B
(en )
1913-10-21
Feeding devices for roasting furnaces
AU1104313B
(en )
1914-03-03
Improvements in ore roasting or drying furnaces
DK18887C
(en )
1914-06-08
Filling apparatus for ore grating furnaces.
AU1234414B
(en )
1914-06-09
Improvements in feeding devices for roasting furnaces
ES52085A1
(en )
1912-06-16
A smelting procedure in its corresponding furnace.
CH69025A
(en )
1915-05-17
Feeding device for roasting ovens
CH63973A
(en )
1914-03-02
Glass removal device on glass furnaces
CH63974A
(en )
1914-03-02
Glass removal device on glass furnaces
FR451442A
(en )
1913-04-18
Blast furnace crucible
FR442472A
(en )
1912-09-02
Oven for roasting ores
FR451163A
(en )
1913-04-12
Oven for roasting ores