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
Priority claimed from GB1578773Aexternal-prioritypatent/GB1383488A/en
Application filed by Burroughs CorpfiledCriticalBurroughs Corp
Publication of IN138915BpublicationCriticalpatent/IN138915B/en