CL

Carmem Silvia D. D. Lobato

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #2 of 12Top 20%
Overall (1997): #169,941 of 185,788Top 95%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5622570 Process for removing accumulated meltable matter in pipes by means of a heated travelling element Paulo Lima, Carlos Alberto Saliba 1997-04-22