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Priority to JP7095783UpriorityCriticalpatent/JPS59178210U/ja
Publication of JPS59178210UpublicationCriticalpatent/JPS59178210U/ja
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Publication of JPS6217367Y2publicationCriticalpatent/JPS6217367Y2/ja
Procédé pour la construction en basses eaux d'une poutre de fondation d'un perré recouvrant un ouvrage tel qu'une berge, une jetée ou autre et poutre de fondation ainsi obtenue