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AU232816A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU232816A
AU232816A AU2328/16A AU232816A AU232816A AU 232816 A AU232816 A AU 232816A AU 2328/16 A AU2328/16 A AU 2328/16A AU 232816 A AU232816 A AU 232816A AU 232816 A AU232816 A AU 232816A
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
AU2328/16A
Inventor
Christopher Miller Hastings Ruben
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU232816A publication Critical patent/AU232816A/en
Expired legal-status Critical Current

Links

AU2328/16A 1916-10-16 Improvements in or relating to telephone systems Expired AU232816A (en)

Publications (1)

Publication Number Publication Date
AU232816A true AU232816A (en) 1917-10-30

Family

ID=

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