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.)
SWCC Corp
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Showa Electric Wire and Cable Co
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 Telegraph and Telephone Corp, Showa Electric Wire and Cable CofiledCriticalNippon Telegraph and Telephone Corp
Priority to JP57130401ApriorityCriticalpatent/JPS5921207A/ja
Publication of JPS5921207ApublicationCriticalpatent/JPS5921207A/ja
Publication of JPS635967B2publicationCriticalpatent/JPS635967B2/ja