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 Joseph Rank LtdfiledCriticalJoseph Rank Ltd
Priority to IE1950ApriorityCriticalpatent/IE19200L/en
Publication of IE19200LpublicationCriticalpatent/IE19200L/en