AU1608820B - Improvements in and relating to electric signalling apparatus
- Google Patents
Improvements in and relating to electric signalling apparatus
Info
Publication number
AU1608820B
AU1608820BAU16088/20AAU1608820AAU1608820BAU 1608820 BAU1608820 BAU 1608820BAU 16088/20 AAU16088/20 AAU 16088/20AAU 1608820 AAU1608820 AAU 1608820AAU 1608820 BAU1608820 BAU 1608820B
Authority
AU
Australia
Prior art keywords
relating
signalling apparatus
electric signalling
electric
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.)
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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 AU16088/20ApriorityCriticalpatent/AU1608820B/en
Publication of AU1608820ApublicationCriticalpatent/AU1608820A/en
Publication of AU1608820BpublicationCriticalpatent/AU1608820B/en