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.)
Japan Metals and Chemical Co Ltd
Original Assignee
Japan Metals and Chemical Co 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 Japan Metals and Chemical Co LtdfiledCriticalJapan Metals and Chemical Co Ltd
Priority to JP13445082ApriorityCriticalpatent/JPS5923839A/ja
Publication of JPS5923839ApublicationCriticalpatent/JPS5923839A/ja
Publication of JPS6110539B2publicationCriticalpatent/JPS6110539B2/ja