AU237141A - Improvements relating to automatic telephone systems - Google Patents

Improvements relating to automatic telephone systems

Info

Publication number
AU237141A
AU237141A AU2371/41A AU237141A AU237141A AU 237141 A AU237141 A AU 237141A AU 2371/41 A AU2371/41 A AU 2371/41A AU 237141 A AU237141 A AU 237141A AU 237141 A AU237141 A AU 237141A
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
automatic telephone
automatic
relating
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
AU2371/41A
Other versions
AU115539B2 (en
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
Application granted granted Critical
Publication of AU115539B2 publication Critical patent/AU115539B2/en
Publication of AU237141A publication Critical patent/AU237141A/en
Expired legal-status Critical Current

Links

AU2371/41A 1941-08-01 Improvements relating to automatic telephone systems Expired AU115539B2 (en)

Publications (2)

Publication Number Publication Date
AU115539B2 AU115539B2 (en) 1942-07-30
AU237141A true AU237141A (en) 1942-07-30

Family

ID=

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