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
CA832452A
Inventor
Nakai Toru
Degushi Yoshio
Morimoto Akira
Uchida Seiichi
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.)
Societe dEtudes Scientifiques et Industrielles de lIle de France SA
Original Assignee
Societe dEtudes Scientifiques et Industrielles de lIle de France SA
Publication date
Application grantedgrantedCritical
Publication of CA832452ApublicationCriticalpatent/CA832452A/en