AU1705315B - Improvements in or relating to telephone systems
- Google Patents
Improvements in or relating to telephone systems
Info
Publication number
AU1705315B
AU1705315BAU17053/15AAU1705315AAU1705315BAU 1705315 BAU1705315 BAU 1705315BAU 17053/15 AAU17053/15 AAU 17053/15AAU 1705315 AAU1705315 AAU 1705315AAU 1705315 BAU1705315 BAU 1705315B
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
systems
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 And Harry E Hershey Electrical Engineers Looi West Yan Buren Streed Chicago Ill 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 AU17053/15ApriorityCriticalpatent/AU1705315B/en
Publication of AU1705315ApublicationCriticalpatent/AU1705315A/en
Publication of AU1705315BpublicationCriticalpatent/AU1705315B/en