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.)
Expired
Application number
CA846527A
Inventor
Kawamura Hiroshi
Taniguchi Toshihiko
Akimoto Kiyoshi
Atsumi Yaichiro
Mukaihara Kozi
Saito Ichiro
Takahashi Sadayoshi
Ito Hiroshi
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.)
Nippon Sharyo Ltd
Nippon Kokuyu Tetsudo
Original Assignee
Nippon Sharyo Ltd
Nippon Kokuyu Tetsudo
Publication date
Application grantedgrantedCritical
Publication of CA846527ApublicationCriticalpatent/CA846527A/en