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Inmetro Public Consultation No. 1, 7 February 2023 is a proposal of technical regulations for structured polyethylene and concrete pipes for conduction of rainwater and sewage.
Comments must be presented on the Participa + Brasill platform at: https://www.gov.br/participamaisbrasil/proposta-de-regulamentacao-tecnica-para-tubos-estruturados-de-polietileno-e-tubos-de-concreto-destinados-a-conducao-de-aguas-pluviais-e-esgoto
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