AU447836A - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU447836A
AU447836A AU4478/36A AU447836A AU447836A AU 447836 A AU447836 A AU 447836A AU 4478/36 A AU4478/36 A AU 4478/36A AU 447836 A AU447836 A AU 447836A AU 447836 A AU447836 A AU 447836A
Authority
AU
Australia
Prior art keywords
relating
signalling systems
electrical signalling
electrical
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
AU4478/36A
Other versions
AU102152B2 (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.)
AUTOMATIC ELECTRIC Co Ltd
Original Assignee
AUTOMATIC ELECTRIC Co Ltd
Filing date
Publication date
Application filed by AUTOMATIC ELECTRIC Co Ltd filed Critical AUTOMATIC ELECTRIC Co Ltd
Application granted granted Critical
Publication of AU447836A publication Critical patent/AU447836A/en
Publication of AU102152B2 publication Critical patent/AU102152B2/en
Expired legal-status Critical Current

Links

AU4478/36A 1936-10-27 Improvements in or relating to electrical signalling systems Expired AU102152B2 (en)

Publications (2)

Publication Number Publication Date
AU447836A true AU447836A (en) 1937-10-14
AU102152B2 AU102152B2 (en) 1937-10-14

Family

ID=

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