AU116645B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU116645B2
AU116645B2 AU2642/41A AU264241A AU116645B2 AU 116645 B2 AU116645 B2 AU 116645B2 AU 2642/41 A AU2642/41 A AU 2642/41A AU 264241 A AU264241 A AU 264241A AU 116645 B2 AU116645 B2 AU 116645B2
Authority
AU
Australia
Prior art keywords
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
AU2642/41A
Other versions
AU264241A (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 AU116645B2 publication Critical patent/AU116645B2/en
Publication of AU264241A publication Critical patent/AU264241A/en
Expired legal-status Critical Current

Links

AU2642/41A 1941-08-26 Improvements in telephone systems Expired AU116645B2 (en)

Publications (2)

Publication Number Publication Date
AU116645B2 true AU116645B2 (en) 1943-03-11
AU264241A AU264241A (en) 1943-03-11

Family

ID=

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