AU108755B2 - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU108755B2
AU108755B2 AU4392/38A AU439238A AU108755B2 AU 108755 B2 AU108755 B2 AU 108755B2 AU 4392/38 A AU4392/38 A AU 4392/38A AU 439238 A AU439238 A AU 439238A AU 108755 B2 AU108755 B2 AU 108755B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
electric signalling
electric
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
AU4392/38A
Other versions
AU439238A (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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of AU108755B2 publication Critical patent/AU108755B2/en
Publication of AU439238A publication Critical patent/AU439238A/en
Expired legal-status Critical Current

Links

AU4392/38A 1938-10-07 Improvements in or relating to electric signalling systems Expired AU108755B2 (en)

Publications (2)

Publication Number Publication Date
AU108755B2 true AU108755B2 (en) 1939-10-19
AU439238A AU439238A (en) 1939-10-19

Family

ID=

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