|
GB409893A
|
|
Improvements in or relating to electric furnaces
|
|
GB303798A
|
|
Electric furnace
|
|
GB249554A
|
|
Improvements in electric furnaces for melting or producing glass, water-glass, portland cement, aluminous cement, and other substances
|
|
GB211462A
|
|
Improvements in electric furnace for welding, tempering, burning or for heating for other purposes
|
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GB168018A
|
|
Improvements in electric rotating furnaces
|
|
GB170026A
|
|
Method of melting zinc powder into liquid zinc and furnace therefor
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|
DE322808C
|
|
Electric roller furnace for converting zinc dust into liquid zinc
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