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
CA718116A
Inventor
Lamm Uno
Original Assignee
Allmanna Svenska Elektriska AB
Publication date
Application grantedgrantedCritical
Publication of CA718116ApublicationCriticalpatent/CA718116A/en