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.)
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Publication date
Priority to CA92391FpriorityCriticalpatent/CA92391S/en
Application grantedgrantedCritical
Publication of CA92391SpublicationCriticalpatent/CA92391S/en