AU1175128A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU1175128A
AU1175128A AU11751/28A AU1175128A AU1175128A AU 1175128 A AU1175128 A AU 1175128A AU 11751/28 A AU11751/28 A AU 11751/28A AU 1175128 A AU1175128 A AU 1175128A AU 1175128 A AU1175128 A AU 1175128A
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
Application number
AU11751/28A
Filing date
Publication date
Application filed filed Critical
Publication of AU1175128A publication Critical patent/AU1175128A/en
Expired legal-status Critical Current

Links

AU11751/28A 1928-02-14 Improvements in or relating to telephone systems Expired AU1175128A (en)

Publications (1)

Publication Number Publication Date
AU1175128A true AU1175128A (en) 1928-12-11

Family

ID=

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