AU1214628A - Improvements in automatic telephone systems - Google Patents

Improvements in automatic telephone systems

Info

Publication number
AU1214628A
AU1214628A AU12146/28A AU1214628A AU1214628A AU 1214628 A AU1214628 A AU 1214628A AU 12146/28 A AU12146/28 A AU 12146/28A AU 1214628 A AU1214628 A AU 1214628A AU 1214628 A AU1214628 A AU 1214628A
Authority
AU
Australia
Prior art keywords
telephone systems
automatic telephone
automatic
systems
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.)
Expired
Application number
AU12146/28A
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
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Publication of AU1214628A publication Critical patent/AU1214628A/en
Expired legal-status Critical Current

Links

AU12146/28A 1928-03-07 Improvements in automatic telephone systems Expired AU1214628A (en)

Publications (1)

Publication Number Publication Date
AU1214628A true AU1214628A (en) 1929-02-19

Family

ID=

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