AU1771548A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU1771548A
AU1771548A AU17715/48A AU1771548A AU1771548A AU 1771548 A AU1771548 A AU 1771548A AU 17715/48 A AU17715/48 A AU 17715/48A AU 1771548 A AU1771548 A AU 1771548A AU 1771548 A AU1771548 A AU 1771548A
Authority
AU
Australia
Prior art keywords
relating
signalling systems
electric signalling
electric
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
AU17715/48A
Other versions
AU144472B2 (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.)
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 AU144472B2 publication Critical patent/AU144472B2/en
Publication of AU1771548A publication Critical patent/AU1771548A/en
Expired legal-status Critical Current

Links

AU17715/48A 1948-01-14 Improvements in or relating to electric signalling systems Expired AU144472B2 (en)

Publications (2)

Publication Number Publication Date
AU144472B2 AU144472B2 (en) 1948-02-26
AU1771548A true AU1771548A (en) 1948-02-26

Family

ID=

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