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 Eduardo Jose Pereira Coelho, Silvia Helena Zavaglia Pereira, Sadae ImaifiledCriticalEduardo Jose Pereira Coelho
Priority to BR6601849UpriorityCriticalpatent/BR6601849U/en
Publication of BR6601849UpublicationCriticalpatent/BR6601849U/en