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.)
TETSUKEN KENSETSU KK
Japan National Railways
Oiles Industry Co Ltd
Nippon Kokuyu Tetsudo
Tekken Corp
Original Assignee
TETSUKEN KENSETSU KK
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 TETSUKEN KENSETSU KK, Japan National Railways, Oiles Industry Co Ltd, Nippon Kokuyu Tetsudo, Tekken CorpfiledCriticalTETSUKEN KENSETSU KK
Priority to JP15943480ApriorityCriticalpatent/JPS5839964B2/en
Publication of JPS5796111ApublicationCriticalpatent/JPS5796111A/en
Publication of JPS5839964B2publicationCriticalpatent/JPS5839964B2/en