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.)
NIPPON TORAI GIKEN KK
Original Assignee
NIPPON TORAI GIKEN 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 NIPPON TORAI GIKEN KKfiledCriticalNIPPON TORAI GIKEN KK
Priority to JP14112577ApriorityCriticalpatent/JPS5474951A/ja
Publication of JPS5474951ApublicationCriticalpatent/JPS5474951A/ja
Publication of JPS558684B2publicationCriticalpatent/JPS558684B2/ja