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AU104029B2 - Improvements in automatic telephone systems - Google Patents

Improvements in automatic telephone systems

Info

Publication number
AU104029B2
AU104029B2 AU866/38A AU86638A AU104029B2 AU 104029 B2 AU104029 B2 AU 104029B2 AU 866/38 A AU866/38 A AU 866/38A AU 86638 A AU86638 A AU 86638A AU 104029 B2 AU104029 B2 AU 104029B2
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
AU866/38A
Other versions
AU86638A (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 AU86638A publication Critical patent/AU86638A/en
Publication of AU104029B2 publication Critical patent/AU104029B2/en
Expired legal-status Critical Current

Links

AU866/38A 1937-04-01 Improvements in automatic telephone systems Expired AU104029B2 (en)

Publications (2)

Publication Number Publication Date
AU86638A AU86638A (en) 1938-06-02
AU104029B2 true AU104029B2 (en) 1938-06-02

Family

ID=

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