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 M Mawdsley, R KisligfiledCriticalM Mawdsley
Priority to BR587272ApriorityCriticalpatent/BR7205872D0/pt
Publication of BR7205872D0publicationCriticalpatent/BR7205872D0/pt