| 摘要 |
Current lead-in for feeding a vessel for igneous electrolysis of aluminium, characterised in that it consists of a tube, one end of which is connected to the hot part of the vessel which is to be fed with current, the other end of the tube being cooled and connected to a source of current. Vessel bottom used in combination with this lead-in, consisting of a layer of fluoride of high melting point. <IMAGE>
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