AU121511B - An improved controlling device for railway signals andthe like
- Google Patents
An improved controlling device for railway signals andthe like
Info
Publication number
AU121511B
AU121511BAU1215/11AAU121511AAU121511BAU 121511 BAU121511 BAU 121511BAU 1215/11 AAU1215/11 AAU 1215/11AAU 121511 AAU121511 AAU 121511AAU 121511 BAU121511 BAU 121511B
Authority
AU
Australia
Prior art keywords
controlling device
railway signals
improved controlling
andthe
signals andthe
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to AU1215/11ApriorityCriticalpatent/AU121511A/en
Priority claimed from AU1215/11Aexternal-prioritypatent/AU121511A/en
Publication of AU121511BpublicationCriticalpatent/AU121511B/en
Publication of AU121511ApublicationCriticalpatent/AU121511A/en