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Priority to JP16207984UpriorityCriticalpatent/JPS6232990Y2/ja
Publication of JPS6178852UpublicationCriticalpatent/JPS6178852U/ja
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Dispositif et procede de retrait sous eau et a distance d'une vis gripee de fixation de deux elements, telle qu'une vis de fixation d'un tube-guide sur une plaque superieure des equipements internes superieurs d'un reacteur nucleaire.