AU409016B2 - Improvements in or relating to signalling systems - Google Patents

Improvements in or relating to signalling systems

Info

Publication number
AU409016B2
AU409016B2 AU8917/66A AU891766A AU409016B2 AU 409016 B2 AU409016 B2 AU 409016B2 AU 8917/66 A AU8917/66 A AU 8917/66A AU 891766 A AU891766 A AU 891766A AU 409016 B2 AU409016 B2 AU 409016B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
signalling
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 - Lifetime
Application number
AU8917/66A
Inventor
Frank Rigby Donald
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.)
Her Majestys Postmaster General
Original Assignee
Her Majestys Postmaster General
Priority date (The priority date 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 date listed.)
Filing date
Publication of AU409016B2 publication Critical patent/AU409016B2/en
Application filed by Her Majestys Postmaster General filed Critical Her Majestys Postmaster General
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU8917/66A 1965-07-29 1966-07-27 Improvements in or relating to signalling systems Expired - Lifetime AU409016B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB32557/65 1965-07-29
GBGB13101/66 1966-03-24

Publications (1)

Publication Number Publication Date
AU409016B2 true AU409016B2 (en)

Family

ID=

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