2023??9??5?????????????????ó????????ó???鴦??Minist??rio do Desenvolvimento, Ind??stria, Com??rcioe Serviços/Secretaria de Com??rcio Exterior??????2023???36????棬?????????????????????????????????????????????????????й?????2????????????cabos de fibras ??pticas????????????顣?永??????????????8544.70.10????????????????????Ч??

2023??5??11?????????????????ó????????ó???鴦????2023???16????棬????????й?????2?????????????顣?永??????????????8544.70.10?????????????????2021??7???2022??6?￡??????????2017??7???2022??6???

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https://www.in.gov.br/web/dou/-/circular-secex-n-36-de-4-de-setembro-de-2023-507759043