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Raúl Pires Ferreira Chaves (1889–1967) was a Portuguese civil engineer and inventor. A graduate of the Instituto Superior Técnico of Lisbon. He lived and primarily worked in Portugal, Portuguese Cape Verde and Portuguese Guinea. He invented and patented the "Sistema e material MURUS", a precursor to modern construction systems based on modular blocks, and a contribution to the evolution of the concept of prefabrication. He utilised these materials in many of his construction projects. He was Director of Public Works in Cape Verde. He executed various projects to improve habitability and contributed to the development of the archipelago, including the discovery and exploitation of fresh water in submarine sources on the Ilha do Sal. ==Positions held== * Professor do Liceu do Mindelo. * Director das Obras Públicas da Guiné Portuguesa. * Director das Obras Públicas de Cabo Verde. * Presidente da Associação Industrial, Comercial e Agrícola da Guiné. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Raul Pires Ferreira Chaves」の詳細全文を読む スポンサード リンク
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