AU103212B2 - Improvements in or relating to alternating current signalling systems - Google Patents

Improvements in or relating to alternating current signalling systems

Info

Publication number
AU103212B2
AU103212B2 AU553/37A AU55337A AU103212B2 AU 103212 B2 AU103212 B2 AU 103212B2 AU 553/37 A AU553/37 A AU 553/37A AU 55337 A AU55337 A AU 55337A AU 103212 B2 AU103212 B2 AU 103212B2
Authority
AU
Australia
Prior art keywords
relating
alternating current
signalling systems
current signalling
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
AU553/37A
Other versions
AU55337A (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 AU55337A publication Critical patent/AU55337A/en
Publication of AU103212B2 publication Critical patent/AU103212B2/en
Expired legal-status Critical Current

Links

AU553/37A 1937-02-11 Improvements in or relating to alternating current signalling systems Expired AU103212B2 (en)

Publications (2)

Publication Number Publication Date
AU55337A AU55337A (en) 1938-02-24
AU103212B2 true AU103212B2 (en) 1938-02-24

Family

ID=

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