AU288540A - Improvements in or relating to telecommunication exchange systems - Google Patents

Improvements in or relating to telecommunication exchange systems

Info

Publication number
AU288540A
AU288540A AU2885/40A AU288540A AU288540A AU 288540 A AU288540 A AU 288540A AU 2885/40 A AU2885/40 A AU 2885/40A AU 288540 A AU288540 A AU 288540A AU 288540 A AU288540 A AU 288540A
Authority
AU
Australia
Prior art keywords
relating
exchange systems
telecommunication exchange
telecommunication
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
AU2885/40A
Other versions
AU114632B2 (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU288540A publication Critical patent/AU288540A/en
Publication of AU114632B2 publication Critical patent/AU114632B2/en
Expired legal-status Critical Current

Links

AU2885/40A 1940-07-31 Improvements in or relating to telecommunication exchange systems Expired AU114632B2 (en)

Publications (2)

Publication Number Publication Date
AU288540A true AU288540A (en) 1942-02-12
AU114632B2 AU114632B2 (en) 1942-02-12

Family

ID=

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