|
US1362296A
(en)
|
|
Heating-furnace
|
|
PL36482B1
(enrdf_load_stackoverflow)
|
|
|
|
US1952402A
(en)
|
|
Annealing furnace
|
|
US2062642A
(en)
|
|
Furnace for enameling, heat treating, etc., and process of applying heat therefor
|
|
US1057905A
(en)
|
|
Apparatus for drying and heating ladles, &c.
|
|
US2805143A
(en)
|
|
Method and apparatus for heating metal
|
|
US2799605A
(en)
|
|
Continuous heating of steel strip
|
|
GB191304286A
(en)
|
|
Improvements in Methods and Apparatus for the Burning and like Treatment of Bricks.
|
|
US1552834A
(en)
|
|
Heating furnace
|
|
US1881683A
(en)
|
|
Car type furnace
|
|
SU431219A1
(ru)
|
|
Способ сушки воздухонагревателей доменных печей
|
|
US635025A
(en)
|
|
Furnace for annealing, baking, &c.
|
|
US1288353A
(en)
|
|
Annealing-furnace.
|
|
GB327486A
(en)
|
|
Improvements in or relating to heat treating furnaces
|
|
US1925941A
(en)
|
|
Furnace
|
|
US691849A
(en)
|
|
Furnace for heating ingots.
|
|
US795218A
(en)
|
|
Furnace for treating sheet iron and steel.
|
|
US365997A
(en)
|
|
herirahpp |
|
US1544792A
(en)
|
|
Annealing furnace
|
|
US495347A
(en)
|
|
Hungary |
|
US553947A
(en)
|
|
Downdraft-kiln |
|
US1171887A
(en)
|
|
Oven.
|
|
SU38321A1
(ru)
|
|
Печь дл битуминиривани сланцев
|
|
US1241750A
(en)
|
|
Furnace for annealing metals.
|
|
US183140A
(en)
|
|
Improvement in pottery-kilns |