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
CA763300A
Inventor
Shinozaki Hiroshi
Nasu Noriyuki
Yonekura Tadasu
Yamazaki 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.)
TSURUMI-SEIKI KOSAKUSHO Co Ltd
Asahi Kasei Corp
Original Assignee
TSURUMI-SEIKI KOSAKUSHO Co Ltd
Asahi Kasei Kogyo KK
Publication date
Application grantedgrantedCritical
Publication of CA763300ApublicationCriticalpatent/CA763300A/en