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.)
Furukawa Electric Co Ltd
Railway Technical Research Institute
Original Assignee
Furukawa Electric Co Ltd
Railway Technical Research Institute
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 Furukawa Electric Co Ltd, Railway Technical Research InstitutefiledCriticalFurukawa Electric Co Ltd
Priority to JP1550480ApriorityCriticalpatent/JPS56112803A/ja
Publication of JPS56112803ApublicationCriticalpatent/JPS56112803A/ja
Publication of JPS6323722B2publicationCriticalpatent/JPS6323722B2/ja