AU112184B2 - Electric signalling systems - Google Patents

Electric signalling systems

Info

Publication number
AU112184B2
AU112184B2 AU5645/39A AU564539A AU112184B2 AU 112184 B2 AU112184 B2 AU 112184B2 AU 5645/39 A AU5645/39 A AU 5645/39A AU 564539 A AU564539 A AU 564539A AU 112184 B2 AU112184 B2 AU 112184B2
Authority
AU
Australia
Prior art keywords
signalling systems
electric signalling
electric
systems
signalling
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
AU5645/39A
Other versions
AU564539A (en
Inventor
Harley Reeves Alec
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 AU112184B2 publication Critical patent/AU112184B2/en
Publication of AU564539A publication Critical patent/AU564539A/en
Expired legal-status Critical Current

Links

AU5645/39A 1939-12-23 Electric signalling systems Expired AU112184B2 (en)

Publications (2)

Publication Number Publication Date
AU112184B2 true AU112184B2 (en) 1941-01-09
AU564539A AU564539A (en) 1941-01-09

Family

ID=

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