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
CA686039A
Inventor
Goldbohm Erich
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.)
ALGEMENE NEDERLANDSE RADIO UNIE NV
Original Assignee
ALGEMENE NEDERLANDSE RADIO UNIE NV
Publication date
Application grantedgrantedCritical
Publication of CA686039ApublicationCriticalpatent/CA686039A/en