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.)
Sanwa Tekki Corp
Original Assignee
Sanwa Tekki Corp
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 Sanwa Tekki CorpfiledCriticalSanwa Tekki Corp
Priority to JP56059015ApriorityCriticalpatent/JPS57173319A/ja
Publication of JPS57173319ApublicationCriticalpatent/JPS57173319A/ja
Publication of JPS6350926B2publicationCriticalpatent/JPS6350926B2/ja