AU3195557A - Circuit arrangement forthe identification, marking or supervision of lines in telecommunication systems in particular in telephone systems
- Google Patents
Circuit arrangement forthe identification, marking or supervision of lines in telecommunication systems in particular in telephone systems
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.)
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty LtdfiledCriticalStandard Telephone and Cables Pty Ltd
Application grantedgrantedCritical
Publication of AU3195557ApublicationCriticalpatent/AU3195557A/en
Publication of AU219956B2publicationCriticalpatent/AU219956B2/en
AU31955/57A1957-10-09Circuit arrangement forthe identification, marking or supervision of lines in telecommunication systems in particular in telephone systems
ExpiredAU219956B2
(en)