AU149210B2 - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU149210B2
AU149210B2 AU34669/50A AU3466950A AU149210B2 AU 149210 B2 AU149210 B2 AU 149210B2 AU 34669/50 A AU34669/50 A AU 34669/50A AU 3466950 A AU3466950 A AU 3466950A AU 149210 B2 AU149210 B2 AU 149210B2
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
AU34669/50A
Other versions
AU3466950A (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 AU3466950A publication Critical patent/AU3466950A/en
Publication of AU149210B2 publication Critical patent/AU149210B2/en
Expired legal-status Critical Current

Links

AU34669/50A 1950-05-29 Improvements in or relating to electric signalling systems Expired AU149210B2 (en)

Publications (2)

Publication Number Publication Date
AU3466950A AU3466950A (en) 1950-08-03
AU149210B2 true AU149210B2 (en) 1950-08-03

Family

ID=

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