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
CA696089A
Inventor
Krank Wolfgang
Mohring Gunther
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.)
Telefunken Patentverwertungs GmbH
Hackethal Draht Kabel Werke AG
Original Assignee
Telefunken Patentverwertungs GmbH
Hackethal Draht Kabel Werke AG
Publication date
Application grantedgrantedCritical
Publication of CA696089ApublicationCriticalpatent/CA696089A/en