AU2742930B - Improvements in or relating to signalling systems - Google Patents

Improvements in or relating to signalling systems

Info

Publication number
AU2742930B
AU2742930B AU27429/30A AU2742930A AU2742930B AU 2742930 B AU2742930 B AU 2742930B AU 27429/30 A AU27429/30 A AU 27429/30A AU 2742930 A AU2742930 A AU 2742930A AU 2742930 B AU2742930 B AU 2742930B
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
Application number
AU27429/30A
Other versions
AU2742930A (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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 date
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Priority to AU27429/30A priority Critical patent/AU2742930A/en
Priority claimed from AU27429/30A external-priority patent/AU2742930A/en
Publication of AU2742930B publication Critical patent/AU2742930B/en
Publication of AU2742930A publication Critical patent/AU2742930A/en
Expired legal-status Critical Current

Links

AU27429/30A 1930-06-24 Improvements in or relating to signalling systems Expired AU2742930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU27429/30A AU2742930A (en) 1930-06-24 Improvements in or relating to signalling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU27429/30A AU2742930A (en) 1930-06-24 Improvements in or relating to signalling systems

Publications (2)

Publication Number Publication Date
AU2742930B true AU2742930B (en) 1931-07-02
AU2742930A AU2742930A (en) 1931-07-02

Family

ID=

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