AU108197B2 - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU108197B2
AU108197B2 AU3371/38A AU337138A AU108197B2 AU 108197 B2 AU108197 B2 AU 108197B2 AU 3371/38 A AU3371/38 A AU 3371/38A AU 337138 A AU337138 A AU 337138A AU 108197 B2 AU108197 B2 AU 108197B2
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
AU3371/38A
Other versions
AU337138A (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 AU108197B2 publication Critical patent/AU108197B2/en
Publication of AU337138A publication Critical patent/AU337138A/en
Expired legal-status Critical Current

Links

AU3371/38A 1938-08-09 Improvements in or relating to electric signalling systems Expired AU108197B2 (en)

Publications (2)

Publication Number Publication Date
AU108197B2 true AU108197B2 (en) 1939-08-17
AU337138A AU337138A (en) 1939-08-17

Family

ID=

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