AU148214B2 - Improvements in control arrangements for use in automatic signalling systems - Google Patents

Improvements in control arrangements for use in automatic signalling systems

Info

Publication number
AU148214B2
AU148214B2 AU29758/49A AU2975849A AU148214B2 AU 148214 B2 AU148214 B2 AU 148214B2 AU 29758/49 A AU29758/49 A AU 29758/49A AU 2975849 A AU2975849 A AU 2975849A AU 148214 B2 AU148214 B2 AU 148214B2
Authority
AU
Australia
Prior art keywords
control arrangements
signalling systems
automatic signalling
automatic
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
AU29758/49A
Other versions
AU2975849A (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU148214B2 publication Critical patent/AU148214B2/en
Publication of AU2975849A publication Critical patent/AU2975849A/en
Expired legal-status Critical Current

Links

AU29758/49A 1949-09-08 Improvements in control arrangements for use in automatic signalling systems Expired AU148214B2 (en)

Publications (2)

Publication Number Publication Date
AU148214B2 true AU148214B2 (en) 1949-11-10
AU2975849A AU2975849A (en) 1949-11-10

Family

ID=

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