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AU1031443A - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU1031443A
AU1031443A AU10314/43A AU1031443A AU1031443A AU 1031443 A AU1031443 A AU 1031443A AU 10314/43 A AU10314/43 A AU 10314/43A AU 1031443 A AU1031443 A AU 1031443A AU 1031443 A AU1031443 A AU 1031443A
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
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
AU10314/43A
Other versions
AU120014B2 (en
Inventor
Adam Christian and Douglas Percy Long David
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1031443A publication Critical patent/AU1031443A/en
Publication of AU120014B2 publication Critical patent/AU120014B2/en
Expired legal-status Critical Current

Links

AU10314/43A 1943-07-21 Improvements relating to telephone systems Expired AU120014B2 (en)

Publications (2)

Publication Number Publication Date
AU1031443A true AU1031443A (en) 1945-06-14
AU120014B2 AU120014B2 (en) 1945-06-14

Family

ID=

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