AU164589B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU164589B2
AU164589B2 AU15817/53A AU1581753A AU164589B2 AU 164589 B2 AU164589 B2 AU 164589B2 AU 15817/53 A AU15817/53 A AU 15817/53A AU 1581753 A AU1581753 A AU 1581753A AU 164589 B2 AU164589 B2 AU 164589B2
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
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
AU15817/53A
Other versions
AU1581753A (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 AU1581753A publication Critical patent/AU1581753A/en
Publication of AU164589B2 publication Critical patent/AU164589B2/en
Expired legal-status Critical Current

Links

AU15817/53A 1953-02-03 Improvements in or relating to telephone systems Expired AU164589B2 (en)

Publications (2)

Publication Number Publication Date
AU1581753A AU1581753A (en) 1953-04-16
AU164589B2 true AU164589B2 (en) 1953-04-16

Family

ID=

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