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
CA694923A
Inventor
Gustafsson Stig
Maartmann Sten
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.)
Svenska Flaktfabriken AB
Original Assignee
Svenska Flaktfabriken AB
Publication date
Application grantedgrantedCritical
Publication of CA694923ApublicationCriticalpatent/CA694923A/en