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
Oiles Industry Co Ltd
Nippon Kokuyu Tetsudo
Tekken Corp
Original Assignee
Japan National Railways
Oiles Industry Co Ltd
Nippon Kokuyu Tetsudo
Tekken 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 Japan National Railways, Oiles Industry Co Ltd, Nippon Kokuyu Tetsudo, Tekken CorpfiledCriticalJapan National Railways
Priority to JP15943380ApriorityCriticalpatent/JPS5839963B2/en
Publication of JPS5796110ApublicationCriticalpatent/JPS5796110A/en
Publication of JPS5839963B2publicationCriticalpatent/JPS5839963B2/en