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 GB2352860Aexternal-prioritypatent/GB909430A/en
Application filed by Metal Box Co LtdfiledCriticalMetal Box Co Ltd
Publication of BE605782ApublicationCriticalpatent/BE605782A/en