AU158627B2 - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU158627B2
AU158627B2 AU23842/53A AU2384253A AU158627B2 AU 158627 B2 AU158627 B2 AU 158627B2 AU 23842/53 A AU23842/53 A AU 23842/53A AU 2384253 A AU2384253 A AU 2384253A AU 158627 B2 AU158627 B2 AU 158627B2
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
AU23842/53A
Other versions
AU2384253A (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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU2384253A publication Critical patent/AU2384253A/en
Publication of AU158627B2 publication Critical patent/AU158627B2/en
Expired legal-status Critical Current

Links

AU23842/53A 1950-12-22 Improvements in or relating to electrical signalling systems Expired AU158627B2 (en)

Publications (2)

Publication Number Publication Date
AU2384253A AU2384253A (en) 1954-02-18
AU158627B2 true AU158627B2 (en) 1954-02-18

Family

ID=

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