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.)
Japan National Railways
Tetsudo Kizai Kogyo Co Ltd
Original Assignee
Japan National Railways
Tetsudo Kizai Kogyo Co Ltd
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 Japan National Railways, Tetsudo Kizai Kogyo Co LtdfiledCriticalJapan National Railways
Priority to JP1622985ApriorityCriticalpatent/JPS61176701A/ja
Publication of JPS61176701ApublicationCriticalpatent/JPS61176701A/ja
Publication of JPH045081B2publicationCriticalpatent/JPH045081B2/ja