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
CA682696A
Inventor
Strehle Horst
Hennig Walter
Welzel Herbert
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.)
VEB KAMERA-UND KINOWERKE DRESDEN
Original Assignee
VEB KAMERA-UND KINOWERKE DRESDEN
Publication date
Application grantedgrantedCritical
Publication of CA682696ApublicationCriticalpatent/CA682696A/en