AU161320B2 - Improvements in and relating to electrical switching arrangements suitable for use in signalling systems - Google Patents

Improvements in and relating to electrical switching arrangements suitable for use in signalling systems

Info

Publication number
AU161320B2
AU161320B2 AU14375/52A AU1437552A AU161320B2 AU 161320 B2 AU161320 B2 AU 161320B2 AU 14375/52 A AU14375/52 A AU 14375/52A AU 1437552 A AU1437552 A AU 1437552A AU 161320 B2 AU161320 B2 AU 161320B2
Authority
AU
Australia
Prior art keywords
relating
electrical switching
switching arrangements
signalling systems
arrangements suitable
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
AU14375/52A
Other versions
AU1437552A (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.)
British Telecommunications Research Ltd
Original Assignee
British Telecommunications Research Ltd
Filing date
Publication date
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Application granted granted Critical
Publication of AU1437552A publication Critical patent/AU1437552A/en
Publication of AU161320B2 publication Critical patent/AU161320B2/en
Expired legal-status Critical Current

Links

AU14375/52A 1952-11-25 Improvements in and relating to electrical switching arrangements suitable for use in signalling systems Expired AU161320B2 (en)

Publications (2)

Publication Number Publication Date
AU1437552A AU1437552A (en) 1953-01-29
AU161320B2 true AU161320B2 (en) 1953-01-29

Family

ID=

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