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 Cederroths Tekniska Fabrik AbfiledCriticalCederroths Tekniska Fabrik Ab
Publication of BR6239431D0publicationCriticalpatent/BR6239431D0/pt