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AU213016B2 - Signalling in telephone systems - Google Patents

Signalling in telephone systems

Info

Publication number
AU213016B2
AU213016B2 AU890/54A AU89054A AU213016B2 AU 213016 B2 AU213016 B2 AU 213016B2 AU 890/54 A AU890/54 A AU 890/54A AU 89054 A AU89054 A AU 89054A AU 213016 B2 AU213016 B2 AU 213016B2
Authority
AU
Australia
Prior art keywords
signalling
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
Application number
AU890/54A
Other versions
AU89054A (en
Inventor
Merrett Webster and James Charles Stewart Allan
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.)
T S SKILLMAN AND Co Pty Ltd
Original Assignee
T S SKILLMAN AND Co Pty Ltd
Filing date
Publication date
Application filed by T S SKILLMAN AND Co Pty Ltd filed Critical T S SKILLMAN AND Co Pty Ltd
Application granted granted Critical
Publication of AU213016B2 publication Critical patent/AU213016B2/en
Publication of AU89054A publication Critical patent/AU89054A/en
Expired legal-status Critical Current

Links

AU890/54A 1954-06-10 Signalling in telephone systems Expired AU213016B2 (en)

Publications (2)

Publication Number Publication Date
AU213016B2 true AU213016B2 (en) 1955-09-15
AU89054A AU89054A (en) 1955-09-15

Family

ID=

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