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AU150146B2 - Improvements In or relating to alternating current signalling equipment - Google Patents
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AU150146B2 - Improvements In or relating to alternating current signalling equipment - Google Patents

Improvements In or relating to alternating current signalling equipment

Info

Publication number
AU150146B2
AU150146B2 AU17055/47A AU1705547A AU150146B2 AU 150146 B2 AU150146 B2 AU 150146B2 AU 17055/47 A AU17055/47 A AU 17055/47A AU 1705547 A AU1705547 A AU 1705547A AU 150146 B2 AU150146 B2 AU 150146B2
Authority
AU
Australia
Prior art keywords
relating
alternating current
signalling equipment
current signalling
equipment
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
AU17055/47A
Other versions
AU1705547A (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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU1705547A publication Critical patent/AU1705547A/en
Publication of AU150146B2 publication Critical patent/AU150146B2/en
Expired legal-status Critical Current

Links

AU17055/47A 1947-12-16 Improvements In or relating to alternating current signalling equipment Expired AU150146B2 (en)

Publications (2)

Publication Number Publication Date
AU1705547A AU1705547A (en) 1948-01-22
AU150146B2 true AU150146B2 (en) 1948-01-22

Family

ID=

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