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GB383859A
|
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Installation for electrical welding of metals
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US1971025A
|
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Metal heater
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GB384122A
|
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Improvements in or relating to casting of metals
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GB362333A
|
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Improvements in moulds for casting metals
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GB378171A
|
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Improvements in or relating to casting ladles
|
|
GB371165A
|
|
Method of electric welding
|
|
GB361748A
|
|
A method of casting metals and apparatus for carrying out this method
|
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US1918734A
|
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Means for casting metals
|
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GB361496A
|
|
Improvements in electric incandescent lamps
|
|
GB345082A
|
|
Improvements in or relating to electric electrode furnaces
|
|
GB344947A
|
|
Device for casting metals
|
|
GB343648A
|
|
Improvements in and connected with the casting of metal
|
|
US1833065A
|
|
Furnace for treatment of metal
|
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US1809468A
|
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Electric metal welding
|
|
GB341967A
|
|
Improvements in induced current furnaces
|
|
GB301912A
|
|
Electric furnace
|
|
US1754142A
|
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Electric furnace
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