AU1706515B - Improvements in or relating to telephone systems
- Google Patents
Improvements in or relating to telephone systems
Info
Publication number
AU1706515B
AU1706515BAU17065/15AAU1706515AAU1706515BAU 1706515 BAU1706515 BAU 1706515BAU 17065/15 AAU17065/15 AAU 17065/15AAU 1706515 AAU1706515 AAU 1706515AAU 1706515 BAU1706515 BAU 1706515B
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.)
Darwin Willis Electrical Engineer Looi West Vanburen Streed Chicago Illinois U Sa Bernard
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 AU17065/15ApriorityCriticalpatent/AU1706515A/en
Priority claimed from AU17065/15Aexternal-prioritypatent/AU1706515A/en
Publication of AU1706515BpublicationCriticalpatent/AU1706515B/en
Publication of AU1706515ApublicationCriticalpatent/AU1706515A/en