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GB387562A
|
|
Improvements in or relating to corrosion-proof aluminium alloys
|
|
GB255417A
|
|
Improvements in processes for coating iron or iron alloys with metals
|
|
DE477978C
|
|
Process for the production of electrodes for secondary elements
|
|
US1641241A
|
|
Manufacture of lead electrode for accumulators
|
|
GB217212A
|
|
Improvements relating to electric heaters
|
|
US1559471A
|
|
Lead electrode for accumulators
|
|
GB212542A
|
|
Improvements relating to lead electrodes for accumulators
|
|
US1348457A
|
|
Process for deoxidizing copper and its alloys
|
|
US1348458A
|
|
Process for deoxidizing aluminum and its alloys
|
|
GB141324A
|
|
An improved process for deoxidising and refining aluminium
|
|
GB142441A
|
|
An improved process for deoxidising and refining copper
|
