AU476712B - Improvements in or relating" to telephone systems
- Google Patents
Improvements in or relating" to telephone systems
Info
Publication number
AU476712B
AU476712BAU4767/12AAU476712AAU476712BAU 476712 BAU476712 BAU 476712BAU 4767/12 AAU4767/12 AAU 4767/12AAU 476712 AAU476712 AAU 476712AAU 476712 BAU476712 BAU 476712B
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.)
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 AU4767/12ApriorityCriticalpatent/AU476712B/en
Publication of AU476712ApublicationCriticalpatent/AU476712A/en
Publication of AU476712BpublicationCriticalpatent/AU476712B/en