AU1362023A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU1362023A
AU1362023A AU13620/23A AU1362023A AU1362023A AU 1362023 A AU1362023 A AU 1362023A AU 13620/23 A AU13620/23 A AU 13620/23A AU 1362023 A AU1362023 A AU 1362023A AU 1362023 A AU1362023 A AU 1362023A
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
AU13620/23A
Inventor
Oak Park III U. SA Bernard Darwin Willis
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
Publication date
Publication of AU1362023A publication Critical patent/AU1362023A/en
Expired legal-status Critical Current

Links

AU13620/23A Improvements in or relating to telephone systems Expired AU1362023A (en)

Publications (1)

Publication Number Publication Date
AU1362023A true AU1362023A (en) 1923-09-12

Family

ID=

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