AU116123B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU116123B2
AU116123B2 AU2804/41A AU280441A AU116123B2 AU 116123 B2 AU116123 B2 AU 116123B2 AU 2804/41 A AU2804/41 A AU 2804/41A AU 280441 A AU280441 A AU 280441A AU 116123 B2 AU116123 B2 AU 116123B2
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 - Lifetime
Application number
AU2804/41A
Inventor
Lungsford Clay David
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication of AU116123B2 publication Critical patent/AU116123B2/en
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU2804/41A 1941-09-06 Improvements relating to telephone systems Expired - Lifetime AU116123B2 (en)

Publications (1)

Publication Number Publication Date
AU116123B2 true AU116123B2 (en)

Family

ID=

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