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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Um estudo preliminar das forças atuantes em elementos rompedores de semeadeiras diretas comerciais

Portella, Jose Antonio 15 July 2018 (has links)
Orientador : Chen-Shang Chang / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos e Agricola / Made available in DSpace on 2018-07-15T08:08:55Z (GMT). No. of bitstreams: 1 Portella_JoseAntonio_M.pdf: 2467317 bytes, checksum: b14ce471073c686a00304d008197e252 (MD5) Previous issue date: 1983 / Mestrado / Mestre em Engenharia Agrícola

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