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.)
Dowa KK
Original Assignee
Dowa KK
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 Dowa KKfiledCriticalDowa KK
Priority to JP11188878ApriorityCriticalpatent/JPS5538466A/ja
Publication of JPS5538466ApublicationCriticalpatent/JPS5538466A/ja
Publication of JPS5761132B2publicationCriticalpatent/JPS5761132B2/ja
