AU151355B2 - Improvements in or relating to circuit-arrangements for use in automatic signalling systems for adjusting agroup selector
- Google Patents
Improvements in or relating to circuit-arrangements for use in automatic signalling systems for adjusting agroup selector
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.)
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 NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of AU151355B2publicationCriticalpatent/AU151355B2/en
Publication of AU206251ApublicationCriticalpatent/AU206251A/en
AU2062/51A1951-04-18Improvements in or relating to circuit-arrangements for use in automatic signalling systems for adjusting agroup selector
ExpiredAU151355B2
(en)