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US1960002A
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Apparatus for handling cast plates
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GB357025A
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Improvements in or relating to apparatus for taking samples of metal ingots slabs or the like
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US1894511A
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Mold
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GB352104A
|
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Improvements in or relating to cathodes for the electrolytic refining of metals
|
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US1833894A
|
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Apparatus for use in poling copper
|
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US1909596A
|
|
Sampling apparatus
|
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US1830227A
|
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Mold for casting copper
|
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US1849081A
|
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Method and apparatus for manufacturing and assembling cathode starting sheets for electrolysis
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GB308689A
|
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Improvements in or relating to apparatus for casting metals
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|
US1791106A
|
|
Method and machine for stripping lead from cables
|
|
GB305998A
|
|
Improvements in or relating to casting and rolling copper
|
|
US1826755A
|
|
Apparatus for recovering easily-fusible metals
|
|
US1836368A
|
|
Stasting cathode for electrolytic refining of copper and other metals
|
|
US1730681A
|
|
Process of recovering selenium
|
|
US1748333A
|
|
Apparatus for casting metals
|
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GB276016A
|
|
Improvements in magnesite refractories and method of making the same
|
|
GB271847A
|
|
Improvements in magnesite refractories and method of making the same
|
|
US1616055A
|
|
Magnesite refractory and method of making the same
|
|
US1616192A
|
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Unburned refractory brick and method of making it
|
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DE484554C
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Process for the production of shaped refractory articles from magnesite
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