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.)
TOSHIN STEEL CO
Original Assignee
TOSHIN STEEL CO
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 TOSHIN STEEL COfiledCriticalTOSHIN STEEL CO
Priority to JP13521286ApriorityCriticalpatent/JPS6322615A/ja
Publication of JPS6322615ApublicationCriticalpatent/JPS6322615A/ja
Publication of JPH0549007B2publicationCriticalpatent/JPH0549007B2/ja