AU2080648A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU2080648A
AU2080648A AU20806/48A AU2080648A AU2080648A AU 2080648 A AU2080648 A AU 2080648A AU 20806/48 A AU20806/48 A AU 20806/48A AU 2080648 A AU2080648 A AU 2080648A AU 2080648 A AU2080648 A AU 2080648A
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
AU20806/48A
Other versions
AU143686B2 (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 AU143686B2 publication Critical patent/AU143686B2/en
Publication of AU2080648A publication Critical patent/AU2080648A/en
Expired legal-status Critical Current

Links

AU20806/48A 1948-05-21 Improvements in or relating to electric signalling systems Expired AU143686B2 (en)

Publications (2)

Publication Number Publication Date
AU143686B2 AU143686B2 (en) 1948-06-24
AU2080648A true AU2080648A (en) 1948-06-24

Family

ID=

Similar Documents

Publication Publication Date Title
AU143328B2 (en) Improvements in or relating to electric signalling systems
AU143686B2 (en) Improvements in or relating to electric signalling systems
AU144472B2 (en) Improvements in or relating to electric signalling systems
AU144650B2 (en) Improvements in or relating to electric signalling systems
AU145386B2 (en) Improvements in or relating to electrical signalling systems
AU141168B2 (en) Improvements in or relating to electrical signalling systems
AU2080648A (en) Improvements in or relating to electric signalling systems
AU1771548A (en) Improvements in or relating to electric signalling systems
AU1815948A (en) Improvements in or relating to electric signalling systems
AU1852648A (en) Improvements in or relating to electric signalling systems
AU2013848A (en) Improvements in or relating to electrical signalling systems
AU2128648A (en) Improvements in or relating to electrical signalling systems
AU142865B2 (en) Improvements in and relating to electrical signalling systems
AU143887B2 (en) Improvements in or relating to radio-beacon systems
AU145809B2 (en) Improvements in or relating to frame-aerial systems
AU2483948A (en) Improvements in and relating to electrical signalling systems
AU145465B2 (en) Lmrpovements in or relating to electric pulse systems
AU148296B2 (en) Improvements in or relating to switching systems
AU147359B2 (en) Improvements in or relating to telecommunication systems
AU137437B2 (en) Improvements in or relating to electric signalling systems
AU137810B2 (en) Improvements in or relating to electric signalling systems
AU144750B2 (en) Improvements in or relating to electric pulse communication systems
AU144134B2 (en) Improvements in or relating to voice-frequency signalling systems
AU149210B2 (en) Improvements in or relating to electric signalling systems
AU150601B2 (en) Improvements in or relating to electric signalling systems