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.)
TOHOKU DAIGAKU KINZOKU ZAIRYO
Original Assignee
TOHOKU DAIGAKU KINZOKU ZAIRYO
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 TOHOKU DAIGAKU KINZOKU ZAIRYOfiledCriticalTOHOKU DAIGAKU KINZOKU ZAIRYO
Priority to JP2857476ApriorityCriticalpatent/JPS52111814A/ja
Publication of JPS52111814ApublicationCriticalpatent/JPS52111814A/ja
Publication of JPS572243B2publicationCriticalpatent/JPS572243B2/ja