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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOHO DENKI KK
Kobe Steel Ltd
Original Assignee
TOHO DENKI KK
Kobe Steel Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TOHO DENKI KK, Kobe Steel LtdfiledCriticalTOHO DENKI KK
Priority to JP15906176ApriorityCriticalpatent/JPS5382643A/en
Publication of JPS5382643ApublicationCriticalpatent/JPS5382643A/en
Publication of JPS5444664B2publicationCriticalpatent/JPS5444664B2/ja