Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by A E I Lamp And Lighting Co LtdfiledCriticalA E I Lamp And Lighting Co Ltd
Application grantedgrantedCritical
Publication of DK98770CpublicationCriticalpatent/DK98770C/en