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
CA621217A
Inventor
Woodcock Raymond
H. W. Taylor James
C. Gladman John
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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA621217ApublicationCriticalpatent/CA621217A/en