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.)
NITSUTETSU UNYU KK
Nippon Steel Corp
Nippon Steel Transportation Co Ltd
Original Assignee
NITSUTETSU UNYU KK
Nippon Steel Corp
Nippon Steel Transportation 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 NITSUTETSU UNYU KK, Nippon Steel Corp, Nippon Steel Transportation Co LtdfiledCriticalNITSUTETSU UNYU KK
Priority to JP10685374ApriorityCriticalpatent/JPS5133407A/ja
Publication of JPS5133407ApublicationCriticalpatent/JPS5133407A/ja
Publication of JPS5551103B2publicationCriticalpatent/JPS5551103B2/ja