AU161745B2 - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU161745B2
AU161745B2 AU11546/52A AU1154652A AU161745B2 AU 161745 B2 AU161745 B2 AU 161745B2 AU 11546/52 A AU11546/52 A AU 11546/52A AU 1154652 A AU1154652 A AU 1154652A AU 161745 B2 AU161745 B2 AU 161745B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
electrical signalling
electrical
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
AU11546/52A
Other versions
AU1154652A (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.)
British Telecommunications Research Ltd
Original Assignee
British Telecommunications Research Ltd
Filing date
Publication date
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Application granted granted Critical
Publication of AU1154652A publication Critical patent/AU1154652A/en
Publication of AU161745B2 publication Critical patent/AU161745B2/en
Expired legal-status Critical Current

Links

AU11546/52A 1952-07-25 Improvements in or relating to electrical signalling systems Expired AU161745B2 (en)

Publications (2)

Publication Number Publication Date
AU1154652A AU1154652A (en) 1952-09-25
AU161745B2 true AU161745B2 (en) 1952-09-25

Family

ID=

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