AU968647A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU968647A
AU968647A AU9686/47A AU968647A AU968647A AU 968647 A AU968647 A AU 968647A AU 9686/47 A AU9686/47 A AU 9686/47A AU 968647 A AU968647 A AU 968647A AU 968647 A AU968647 A AU 968647A
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
AU9686/47A
Other versions
AU137437B2 (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 AU137437B2 publication Critical patent/AU137437B2/en
Publication of AU968647A publication Critical patent/AU968647A/en
Expired legal-status Critical Current

Links

AU9686/47A 1947-01-30 Improvements in or relating to electric signalling systems Expired AU137437B2 (en)

Publications (2)

Publication Number Publication Date
AU137437B2 AU137437B2 (en) 1947-02-27
AU968647A true AU968647A (en) 1947-02-27

Family

ID=

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