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AU428700B2 - Improvements in and relating to telephone signal transmission system - Google Patents
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AU428700B2 - Improvements in and relating to telephone signal transmission system - Google Patents

Improvements in and relating to telephone signal transmission system

Info

Publication number
AU428700B2
AU428700B2 AU18458/67A AU1845867A AU428700B2 AU 428700 B2 AU428700 B2 AU 428700B2 AU 18458/67 A AU18458/67 A AU 18458/67A AU 1845867 A AU1845867 A AU 1845867A AU 428700 B2 AU428700 B2 AU 428700B2
Authority
AU
Australia
Prior art keywords
relating
signal transmission
transmission system
telephone signal
telephone
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
AU18458/67A
Other versions
AU1845867A (en
Inventor
BALLIGAND FRANCO MAMMUCARI and ISIDORO PORRITT FABIO
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1845867A publication Critical patent/AU1845867A/en
Publication of AU428700B2 publication Critical patent/AU428700B2/en
Expired legal-status Critical Current

Links

AU18458/67A 1967-03-03 Improvements in and relating to telephone signal transmission system Expired AU428700B2 (en)

Publications (2)

Publication Number Publication Date
AU1845867A AU1845867A (en) 1968-09-05
AU428700B2 true AU428700B2 (en) 1968-09-05

Family

ID=

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