Dellyo Ricardo Dos Santos Alvares

2 Patents

• US124103562025

  Hydraulic Cement Composition, Process and Use

  Petróleo Brasileiro S.A.—PETROBRAS

  0 cites
• US119818602024

  Hydraulic Cement Composition, Process and Use

  PETRÓLEO BRASILEIRO S.A.—PETROBRAS

  0 cites