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
CA897290A
Inventor
Inaba Seiuemon
Shimizu Kanryo
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Publication date
Application grantedgrantedCritical
Publication of CA897290ApublicationCriticalpatent/CA897290A/en