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AU218144B2 - Improvements in or relating to telegraph exchange systems - Google Patents

Improvements in or relating to telegraph exchange systems

Info

Publication number
AU218144B2
AU218144B2 AU14566/55A AU1456655A AU218144B2 AU 218144 B2 AU218144 B2 AU 218144B2 AU 14566/55 A AU14566/55 A AU 14566/55A AU 1456655 A AU1456655 A AU 1456655A AU 218144 B2 AU218144 B2 AU 218144B2
Authority
AU
Australia
Prior art keywords
relating
exchange systems
telegraph exchange
telegraph
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.)
Expired
Application number
AU14566/55A
Other versions
AU1456655A (en
Inventor
Philip Goodwin Wright Donald Adams Weir and Joseph Rice Esmond
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU218144B2 publication Critical patent/AU218144B2/en
Publication of AU1456655A publication Critical patent/AU1456655A/en
Expired legal-status Critical Current

Links

AU14566/55A 1955-12-19 Improvements in or relating to telegraph exchange systems Expired AU218144B2 (en)

Publications (2)

Publication Number Publication Date
AU218144B2 true AU218144B2 (en) 1956-06-28
AU1456655A AU1456655A (en) 1956-06-28

Family

ID=

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