AU112328B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU112328B2
AU112328B2 AU3111/39A AU311139A AU112328B2 AU 112328 B2 AU112328 B2 AU 112328B2 AU 3111/39 A AU3111/39 A AU 3111/39A AU 311139 A AU311139 A AU 311139A AU 112328 B2 AU112328 B2 AU 112328B2
Authority
AU
Australia
Prior art keywords
relating
telephone 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 - Lifetime
Application number
AU3111/39A
Filing date
Publication of AU112328B2 publication Critical patent/AU112328B2/en
Application filed filed Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU3111/39A 1939-07-07 Improvements in or relating to telephone systems Expired - Lifetime AU112328B2 (en)

Publications (1)

Publication Number Publication Date
AU112328B2 true AU112328B2 (en)

Family

ID=

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