AU2742930B - Improvements in or relating to signalling systems
- Google Patents
Improvements in or relating to signalling systems
Info
Publication number
AU2742930B
AU2742930BAU27429/30AAU2742930AAU2742930BAU 2742930 BAU2742930 BAU 2742930BAU 27429/30 AAU27429/30 AAU 27429/30AAU 2742930 AAU2742930 AAU 2742930AAU 2742930 BAU2742930 BAU 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.)
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 IncfiledCriticalElectrical Research Products Inc
Priority to AU27429/30ApriorityCriticalpatent/AU2742930A/en
Priority claimed from AU27429/30Aexternal-prioritypatent/AU2742930A/en
Publication of AU2742930BpublicationCriticalpatent/AU2742930B/en
Publication of AU2742930ApublicationCriticalpatent/AU2742930A/en