AU185836A - An improved call meter for telephone systems - Google Patents
An improved call meter for telephone systemsInfo
- Publication number
- AU185836A AU185836A AU1858/36A AU185836A AU185836A AU 185836 A AU185836 A AU 185836A AU 1858/36 A AU1858/36 A AU 1858/36A AU 185836 A AU185836 A AU 185836A AU 185836 A AU185836 A AU 185836A
- Authority
- AU
- Australia
- Prior art keywords
- telephone systems
- improved call
- call meter
- meter
- improved
- 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 (2)
Publication Number | Publication Date |
---|---|
AU185836A true AU185836A (en) | 1937-03-04 |
AU100360B2 AU100360B2 (en) | 1937-03-04 |
Family
ID=
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