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AU104022B2 - Improvements in automatic telephone systems - Google Patents

Improvements in automatic telephone systems

Info

Publication number
AU104022B2
AU104022B2 AU1254/37A AU125437A AU104022B2 AU 104022 B2 AU104022 B2 AU 104022B2 AU 1254/37 A AU1254/37 A AU 1254/37A AU 125437 A AU125437 A AU 125437A AU 104022 B2 AU104022 B2 AU 104022B2
Authority
AU
Australia
Prior art keywords
telephone systems
automatic telephone
automatic
systems
telephone
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
AU1254/37A
Other versions
AU125437A (en
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.)
Arro Matto Telethons & Electric Co Ltd
Original Assignee
Arro Matto Telethons & Electric Co Ltd
Filing date
Publication date
Application filed by Arro Matto Telethons & Electric Co Ltd filed Critical Arro Matto Telethons & Electric Co Ltd
Application granted granted Critical
Publication of AU125437A publication Critical patent/AU125437A/en
Publication of AU104022B2 publication Critical patent/AU104022B2/en
Expired legal-status Critical Current

Links

AU1254/37A 1937-04-01 Improvements in automatic telephone systems Expired AU104022B2 (en)

Publications (2)

Publication Number Publication Date
AU125437A AU125437A (en) 1938-06-02
AU104022B2 true AU104022B2 (en) 1938-06-02

Family

ID=

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