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
CA781124A
Inventor
Iwaki Koichi
Hirose Masakazu
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.)
Jeco Corp
Original Assignee
Jeco Corp
Publication date
Application grantedgrantedCritical
Publication of CA781124ApublicationCriticalpatent/CA781124A/en