AU118933B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU118933B2
AU118933B2 AU9189/43A AU918943A AU118933B2 AU 118933 B2 AU118933 B2 AU 118933B2 AU 9189/43 A AU9189/43 A AU 9189/43A AU 918943 A AU918943 A AU 918943A AU 118933 B2 AU118933 B2 AU 118933B2
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
AU9189/43A
Other versions
AU918943A (en
Inventor
England George Thomas Baker
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 AU118933B2 publication Critical patent/AU118933B2/en
Publication of AU918943A publication Critical patent/AU918943A/en
Expired legal-status Critical Current

Links

AU9189/43A 1943-05-04 Improvements in or relating to telephone systems Expired AU118933B2 (en)

Publications (2)

Publication Number Publication Date
AU118933B2 true AU118933B2 (en) 1944-09-21
AU918943A AU918943A (en) 1944-09-21

Family

ID=

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