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AU110390B2 - Improvements in or relating to alternating current electrical signalling systems - Google Patents

Improvements in or relating to alternating current electrical signalling systems

Info

Publication number
AU110390B2
AU110390B2 AU1971/39A AU197139A AU110390B2 AU 110390 B2 AU110390 B2 AU 110390B2 AU 1971/39 A AU1971/39 A AU 1971/39A AU 197139 A AU197139 A AU 197139A AU 110390 B2 AU110390 B2 AU 110390B2
Authority
AU
Australia
Prior art keywords
relating
alternating current
current electrical
signalling systems
electrical signalling
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
AU1971/39A
Other versions
AU197139A (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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Filing date
Publication date
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Application granted granted Critical
Publication of AU110390B2 publication Critical patent/AU110390B2/en
Publication of AU197139A publication Critical patent/AU197139A/en
Expired legal-status Critical Current

Links

AU1971/39A 1939-05-04 Improvements in or relating to alternating current electrical signalling systems Expired AU110390B2 (en)

Publications (2)

Publication Number Publication Date
AU110390B2 true AU110390B2 (en) 1940-05-02
AU197139A AU197139A (en) 1940-05-02

Family

ID=

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