AU116885B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU116885B2
AU116885B2 AU8067/43A AU806743A AU116885B2 AU 116885 B2 AU116885 B2 AU 116885B2 AU 8067/43 A AU8067/43 A AU 8067/43A AU 806743 A AU806743 A AU 806743A AU 116885 B2 AU116885 B2 AU 116885B2
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
AU8067/43A
Other versions
AU806743A (en
Inventor
E. Peterson Seth
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 AU116885B2 publication Critical patent/AU116885B2/en
Publication of AU806743A publication Critical patent/AU806743A/en
Expired legal-status Critical Current

Links

AU8067/43A 1941-10-29 Improvements in telephone systems Expired AU116885B2 (en)

Publications (2)

Publication Number Publication Date
AU116885B2 true AU116885B2 (en) 1943-05-06
AU806743A AU806743A (en) 1943-05-06

Family

ID=

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