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 Pieter Jan ValetonfiledCriticalPieter Jan Valeton
Priority to BR6701664UpriorityCriticalpatent/BR6701664U/en
Publication of BR6701664UpublicationCriticalpatent/BR6701664U/en