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
CA899962A
Inventor
N. O'loughlin Cian
J. Edgcombe Christopher
C. T. Ball Graham
Original Assignee
English Electric Valve Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA899962ApublicationCriticalpatent/CA899962A/en