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 Western Electric CofiledCriticalWestern Electric Co
Priority to IE72583ApriorityCriticalpatent/IE830725L/en
Publication of IE830725LpublicationCriticalpatent/IE830725L/en