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AU164627B2 - Improvements in or relating to' electrical signalling systems - Google Patents

Improvements in or relating to' electrical signalling systems

Info

Publication number
AU164627B2
AU164627B2 AU18537/53A AU1853753A AU164627B2 AU 164627 B2 AU164627 B2 AU 164627B2 AU 18537/53 A AU18537/53 A AU 18537/53A AU 1853753 A AU1853753 A AU 1853753A AU 164627 B2 AU164627 B2 AU 164627B2
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
AU18537/53A
Other versions
AU1853753A (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 AU1853753A publication Critical patent/AU1853753A/en
Publication of AU164627B2 publication Critical patent/AU164627B2/en
Expired legal-status Critical Current

Links

AU18537/53A 1953-05-26 Improvements in or relating to' electrical signalling systems Expired AU164627B2 (en)

Publications (2)

Publication Number Publication Date
AU1853753A AU1853753A (en) 1953-07-30
AU164627B2 true AU164627B2 (en) 1953-07-30

Family

ID=

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