AU114146B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU114146B2
AU114146B2 AU1178/41A AU117841A AU114146B2 AU 114146 B2 AU114146 B2 AU 114146B2 AU 1178/41 A AU1178/41 A AU 1178/41A AU 117841 A AU117841 A AU 117841A AU 114146 B2 AU114146 B2 AU 114146B2
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 - Lifetime
Application number
AU1178/41A
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Filing date
Publication of AU114146B2 publication Critical patent/AU114146B2/en
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU1178/41A 1941-04-23 Improvements in or relating to telephone systems Expired - Lifetime AU114146B2 (en)

Publications (1)

Publication Number Publication Date
AU114146B2 true AU114146B2 (en)

Family

ID=

Similar Documents

Publication Publication Date Title
AU114146B2 (en) Improvements in or relating to telephone systems
AU115008B2 (en) Improvements in or relating to telegraph systems
AU116289B2 (en) Improvements in or relating to telegraph systems
AU116885B2 (en) Improvements in telephone systems
AU113976B2 (en) Improvements in telephone systems
AU116022B2 (en) Improvements in telephone systems
AU116645B2 (en) Improvements in telephone systems
AU116872B2 (en) Improvements in telephone systems
AU116123B2 (en) Improvements relating to telephone systems
AU115683B2 (en) Improvements in and relating to telephone and like systems
AU113436B2 (en) Improvements in or relating to telephone systems
AU110997B2 (en) Improvements in or relating to telephone systems
AU113981B2 (en) Improvements in or relating to telephone systems
AU113435B2 (en) Improvements in or relating to telephone systems
AU112661B2 (en) Improvements in or relating to telephone systems
AU115152B2 (en) Improvements in telephone or like systems
AU115039B2 (en) Improvements in or relating to automatic telecommunication systems
AU357641A (en) Improvements in or relating to telegraph systems
AU111341A (en) Improvements in or relating to telegraph systems
AU806743A (en) Improvements in telephone systems
AU264241A (en) Improvements in telephone systems
AU115342B2 (en) Improvements in or relating to telecommunication exchange systems
AU115173B2 (en) Improvements in or relating to telecommunication exchange systems
AU113630B2 (en) Improvements in or relating to electric communication systems
AU243841A (en) Improvements in and relating to telephone and like systems