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Application filed by Joaquim Dias GoncalvesfiledCriticalJoaquim Dias Goncalves
Priority to PT7245281ApriorityCriticalpatent/PT72452A/pt
Publication of PT72452ApublicationCriticalpatent/PT72452A/pt
PT7245281A1981-02-041981-02-04Coque de vaisseau hydrodinamique avec propulsion pcarcasse d'un vaisseau hydronomique a propulsion a helice ar helice
PT72452A
(fr)