AU2216235A - Improvements in telephone systems - Google Patents
Improvements in telephone systemsInfo
- 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
Links
Publications (1)
Publication Number | Publication Date |
---|---|
AU2216235A true AU2216235A (en) | 1936-03-26 |
Family
ID=
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