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 Carajas Produtos De Petroleo LfiledCriticalCarajas Produtos De Petroleo L
Priority to BR6900256UpriorityCriticalpatent/BR6900256U/en
Publication of BR6900256UpublicationCriticalpatent/BR6900256U/en