AU89054A - Signalling in telephone systems - Google Patents

Signalling in telephone systems

Info

Publication number
AU89054A
AU89054A AU890/54A AU89054A AU89054A AU 89054 A AU89054 A AU 89054A AU 890/54 A AU890/54 A AU 890/54A AU 89054 A AU89054 A AU 89054A AU 89054 A AU89054 A AU 89054A
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
AU213016B2 (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 AU89054A publication Critical patent/AU89054A/en
Publication of AU213016B2 publication Critical patent/AU213016B2/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
AU89054A true AU89054A (en) 1955-09-15
AU213016B2 AU213016B2 (en) 1955-09-15

Family

ID=

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