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
CA808596A
Inventor
Kawase Shigeru
Kitazawa Tohru
Ohba Hiroo
Sagi Kojiro
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.)
Kanegafuchi Spinning Co Ltd
Original Assignee
Kanegafuchi Spinning Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA808596ApublicationCriticalpatent/CA808596A/en