AU185836A - An improved call meter for telephone systems - Google Patents

An improved call meter for telephone systems

Info

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
Application number
AU1858/36A
Other versions
AU100360B2 (en
Inventor
Clif Assignee
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU185836A publication Critical patent/AU185836A/en
Publication of AU100360B2 publication Critical patent/AU100360B2/en
Expired legal-status Critical Current

Links

AU1858/36A 1936-05-12 An improved call meter for telephone systems Expired AU100360B2 (en)

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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