AU443640A - Improvements in or relating to line indentification for telephone systems - Google Patents

Improvements in or relating to line indentification for telephone systems

Info

Publication number
AU443640A
AU443640A AU4436/40A AU443640A AU443640A AU 443640 A AU443640 A AU 443640A AU 4436/40 A AU4436/40 A AU 4436/40A AU 443640 A AU443640 A AU 443640A AU 443640 A AU443640 A AU 443640A
Authority
AU
Australia
Prior art keywords
relating
telephone systems
indentification
line
line indentification
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
AU4436/40A
Other versions
AU114370B2 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Filing date
Publication date
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of AU114370B2 publication Critical patent/AU114370B2/en
Publication of AU443640A publication Critical patent/AU443640A/en
Expired legal-status Critical Current

Links

AU4436/40A 1940-12-31 Improvements in or relating to line indentification for telephone systems Expired AU114370B2 (en)

Publications (2)

Publication Number Publication Date
AU114370B2 AU114370B2 (en) 1941-12-24
AU443640A true AU443640A (en) 1941-12-24

Family

ID=

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