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 DENTO KOGYO KK
Original Assignee
NIPPON DENTO KOGYO 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 DENTO KOGYO KKfiledCriticalNIPPON DENTO KOGYO KK
Priority to JP12464874ApriorityCriticalpatent/JPS5150234A/ja
Publication of JPS5150234ApublicationCriticalpatent/JPS5150234A/ja
Publication of JPS546016B2publicationCriticalpatent/JPS546016B2/ja