AU1172613B - Improved circuit arrangement for telephone exchanges provided with selecting devices
- Google Patents
Improved circuit arrangement for telephone exchanges provided with selecting devices
Info
Publication number
AU1172613B
AU1172613BAU11726/13AAU1172613AAU1172613BAU 1172613 BAU1172613 BAU 1172613BAU 11726/13 AAU11726/13 AAU 11726/13AAU 1172613 AAU1172613 AAU 1172613AAU 1172613 BAU1172613 BAU 1172613B
Authority
AU
Australia
Prior art keywords
circuit arrangement
improved circuit
telephone exchanges
selecting devices
exchanges provided
Prior art date
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Brothers and Co LtdfiledCriticalSiemens Brothers and Co Ltd
Priority to AU11726/13ApriorityCriticalpatent/AU1172613B/en
Publication of AU1172613ApublicationCriticalpatent/AU1172613A/en
Publication of AU1172613BpublicationCriticalpatent/AU1172613B/en