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
CA856994A
Inventor
Svedberg Per
Vedin Bengt-Arne
Original Assignee
Allmanna Svenska Elektriska AB
Publication date
Application grantedgrantedCritical
Publication of CA856994ApublicationCriticalpatent/CA856994A/en