Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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Filing date
Publication date
Application filed by Nippon Steel CorpfiledCriticalNippon Steel Corp
Priority to JP10128483ApriorityCriticalpatent/JPS59226109A/ja
Publication of JPS59226109ApublicationCriticalpatent/JPS59226109A/ja
Publication of JPH0327604B2publicationCriticalpatent/JPH0327604B2/ja
Residual liquid amount detection method and detection apparatus for the same, residual molten material amount detection method and detection apparatus for the same, and method for operating vertical furnace