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AU208699B2 - Improvements relating to telephone systems - Google Patents
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AU208699B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU208699B2
AU208699B2 AU6041/55A AU604155A AU208699B2 AU 208699 B2 AU208699 B2 AU 208699B2 AU 6041/55 A AU6041/55 A AU 6041/55A AU 604155 A AU604155 A AU 604155A AU 208699 B2 AU208699 B2 AU 208699B2
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
AU6041/55A
Other versions
AU604155A (en
Inventor
Isaac Herbert Clerk Ronald
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU208699B2 publication Critical patent/AU208699B2/en
Publication of AU604155A publication Critical patent/AU604155A/en
Expired legal-status Critical Current

Links

AU6041/55A 1955-01-10 Improvements relating to telephone systems Expired AU208699B2 (en)

Publications (2)

Publication Number Publication Date
AU208699B2 true AU208699B2 (en) 1955-07-14
AU604155A AU604155A (en) 1955-07-14

Family

ID=

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