AU409427B2 - Improvements in or relating to telephone exchanges - Google Patents

Improvements in or relating to telephone exchanges

Info

Publication number: AU409427B2
Authority: AU; Australia
Prior art keywords: relating; telephone exchanges; exchanges; telephone
Prior art date: 1966-09-21
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

AU11410/66A

Other versions

AU1141066A (en

Inventor

DAVID LIVINGSTON BENSON and JOHN SPENCER ARNOLD DAVID GERALD BRYAN

Filing date

1966-09-21

Publication date

1968-03-21

1966-09-21 Application filed filed Critical

1968-03-21 Application granted granted Critical

1968-03-21 Publication of AU1141066A publication Critical patent/AU1141066A/en

1968-03-21 Publication of AU409427B2 publication Critical patent/AU409427B2/en

Status Expired legal-status Critical Current

Links

AU11410/66A 1966-09-21 Improvements in or relating to telephone exchanges Expired AU409427B2 (en)

Publications (2)

Publication Number	Publication Date
AU1141066A AU1141066A (en)	1968-03-21
AU409427B2 true AU409427B2 (en)	1968-03-21

Family

ID=

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