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AU116022B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU116022B2
AU116022B2 AU3267/41A AU326741A AU116022B2 AU 116022 B2 AU116022 B2 AU 116022B2 AU 3267/41 A AU3267/41 A AU 3267/41A AU 326741 A AU326741 A AU 326741A AU 116022 B2 AU116022 B2 AU 116022B2
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 - Lifetime
Application number
AU3267/41A
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 AU116022B2 publication Critical patent/AU116022B2/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

AU3267/41A 1941-10-15 Improvements in telephone systems Expired - Lifetime AU116022B2 (en)

Publications (1)

Publication Number Publication Date
AU116022B2 true AU116022B2 (en)

Family

ID=

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