AU113436B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU113436B2
AU113436B2 AU1118/41A AU111841A AU113436B2 AU 113436 B2 AU113436 B2 AU 113436B2 AU 1118/41 A AU1118/41 A AU 1118/41A AU 111841 A AU111841 A AU 111841A AU 113436 B2 AU113436 B2 AU 113436B2
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
AU1118/41A
Other versions
AU111841A (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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Filing date
Publication date
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Application granted granted Critical
Publication of AU113436B2 publication Critical patent/AU113436B2/en
Publication of AU111841A publication Critical patent/AU111841A/en
Expired legal-status Critical Current

Links

AU1118/41A 1940-05-07 Improvements in or relating to telephone systems Expired AU113436B2 (en)

Publications (2)

Publication Number Publication Date
AU113436B2 true AU113436B2 (en) 1941-07-17
AU111841A AU111841A (en) 1941-07-17

Family

ID=

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