AU1685115B - Improvements in or relating to semi-automatic toll telephone systems
- Google Patents
Improvements in or relating to semi-automatic toll telephone systems
Info
Publication number
AU1685115B
AU1685115BAU16851/15AAU1685115AAU1685115BAU 1685115 BAU1685115 BAU 1685115BAU 16851/15 AAU16851/15 AAU 16851/15AAU 1685115 AAU1685115 AAU 1685115AAU 1685115 BAU1685115 BAU 1685115B
Authority
AU
Australia
Prior art keywords
relating
semi
telephone systems
automatic toll
toll telephone
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.)
A Yanochowski Electrical Engineer Looi West Vanburen Streed Chicago Iii U Sa George
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric CofiledCriticalAutomatic Electric Co
Priority to AU16851/15ApriorityCriticalpatent/AU1685115A/en
Priority claimed from AU16851/15Aexternal-prioritypatent/AU1685115A/en
Publication of AU1685115BpublicationCriticalpatent/AU1685115B/en
Publication of AU1685115ApublicationCriticalpatent/AU1685115A/en