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
CA826317A
Inventor
De Varda Giorgio
Martinelli Saverio
Perna Aldo
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
Publication date
Application grantedgrantedCritical
Publication of CA826317ApublicationCriticalpatent/CA826317A/en