AU4548359A - Improvements in signalling apparatus - Google Patents

Improvements in signalling apparatus

Info

Publication number
AU4548359A
AU4548359A AU45483/59A AU4548359A AU4548359A AU 4548359 A AU4548359 A AU 4548359A AU 45483/59 A AU45483/59 A AU 45483/59A AU 4548359 A AU4548359 A AU 4548359A AU 4548359 A AU4548359 A AU 4548359A
Authority
AU
Australia
Prior art keywords
signalling apparatus
signalling
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
AU45483/59A
Other versions
AU232739B2 (en
Inventor
Edward Legg Ernest
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU4548359A publication Critical patent/AU4548359A/en
Publication of AU232739B2 publication Critical patent/AU232739B2/en
Expired legal-status Critical Current

Links

AU45483/59A 1959-01-30 Improvements in signalling apparatus Expired AU232739B2 (en)

Publications (2)

Publication Number Publication Date
AU4548359A true AU4548359A (en) 1960-02-11
AU232739B2 AU232739B2 (en) 1960-02-11

Family

ID=

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