AU2216235A - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU2216235A
AU2216235A AU22162/35A AU2216235A AU2216235A AU 2216235 A AU2216235 A AU 2216235A AU 22162/35 A AU22162/35 A AU 22162/35A AU 2216235 A AU2216235 A AU 2216235A AU 2216235 A AU2216235 A AU 2216235A
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
AU22162/35A
Inventor
Martini Domenico
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 AU2216235A publication Critical patent/AU2216235A/en
Expired legal-status Critical Current

Links

AU22162/35A 1935-04-09 Improvements in telephone systems Expired AU2216235A (en)

Publications (1)

Publication Number Publication Date
AU2216235A true AU2216235A (en) 1936-03-26

Family

ID=

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