AU150601B2 - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU150601B2
AU150601B2 AU37115/50A AU3711550A AU150601B2 AU 150601 B2 AU150601 B2 AU 150601B2 AU 37115/50 A AU37115/50 A AU 37115/50A AU 3711550 A AU3711550 A AU 3711550A AU 150601 B2 AU150601 B2 AU 150601B2
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
AU37115/50A
Other versions
AU3711550A (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 AU150601B2 publication Critical patent/AU150601B2/en
Publication of AU3711550A publication Critical patent/AU3711550A/en
Expired legal-status Critical Current

Links

AU37115/50A 1950-09-26 Improvements in or relating to electric signalling systems Expired AU150601B2 (en)

Publications (2)

Publication Number Publication Date
AU150601B2 true AU150601B2 (en) 1950-11-30
AU3711550A AU3711550A (en) 1950-11-30

Family

ID=

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