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AU424633B2 - Improvements in or relating to telephone switching systems - Google Patents
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AU424633B2 - Improvements in or relating to telephone switching systems - Google Patents

Improvements in or relating to telephone switching systems

Info

Publication number
AU424633B2
AU424633B2 AU52072/69A AU5207269A AU424633B2 AU 424633 B2 AU424633 B2 AU 424633B2 AU 52072/69 A AU52072/69 A AU 52072/69A AU 5207269 A AU5207269 A AU 5207269A AU 424633 B2 AU424633 B2 AU 424633B2
Authority
AU
Australia
Prior art keywords
relating
telephone switching
switching systems
telephone
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
AU52072/69A
Other versions
AU5207269A (en
Inventor
WALTER DEMMAN and JOHN RICHARD FRANCIS JAMES
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 Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of AU424633B2 publication Critical patent/AU424633B2/en
Publication of AU5207269A publication Critical patent/AU5207269A/en
Expired legal-status Critical Current

Links

AU52072/69A 1968-03-19 1969-03-18 Improvements in or relating to telephone switching systems Expired AU424633B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB3299/68 1968-03-19

Publications (2)

Publication Number Publication Date
AU424633B2 true AU424633B2 (en) 1970-09-24
AU5207269A AU5207269A (en) 1970-09-24

Family

ID=

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