Brazilian engineer patents reusable plastic mask against Covid-19 Posted by acriatbr In Novidades Desculpe-nos, mas este texto está apenas disponível em Inglês Americano. Tags: Brazilian engineer Joaquim Caracas, Caracas designed and built a hotel located in Serra de Guaramiranga (Ceará), Impacto Protensão, Pereira Bertozzi, register patent, register trademark, Research Support Foundation (Funcap), State Health Department of Ceará Share:
