AU655151A - Improvements in automatic telephone systems - Google Patents

Improvements in automatic telephone systems

Info

Publication number
AU655151A
AU655151A AU6551/51A AU655151A AU655151A AU 655151 A AU655151 A AU 655151A AU 6551/51 A AU6551/51 A AU 6551/51A AU 655151 A AU655151 A AU 655151A AU 655151 A AU655151 A AU 655151A
Authority
AU
Australia
Prior art keywords
telephone systems
automatic telephone
automatic
systems
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
AU6551/51A
Other versions
AU160933B2 (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU655151A publication Critical patent/AU655151A/en
Publication of AU160933B2 publication Critical patent/AU160933B2/en
Expired legal-status Critical Current

Links

AU6551/51A 1951-11-26 Improvements in automatic telephone systems Expired AU160933B2 (en)

Publications (2)

Publication Number Publication Date
AU655151A true AU655151A (en) 1952-01-31
AU160933B2 AU160933B2 (en) 1952-01-31

Family

ID=

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