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.)
TSUKEN ENG KK
NTT Inc
Original Assignee
TSUKEN ENG KK
Nippon Telegraph and Telephone Corp
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 TSUKEN ENG KK, Nippon Telegraph and Telephone CorpfiledCriticalTSUKEN ENG KK
Priority to JP14659576ApriorityCriticalpatent/JPS5371295A/ja
Publication of JPS5371295ApublicationCriticalpatent/JPS5371295A/ja
Publication of JPS5533253B2publicationCriticalpatent/JPS5533253B2/ja