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Priority to JP5684284UpriorityCriticalpatent/JPH0248625Y2/ja
Publication of JPS6159791UpublicationCriticalpatent/JPS6159791U/ja
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Bloc de construction du type bloc creux dissymetrique comportant notamment sur deux de ses cotes contigus un decrochement qui assure la creation d'un espace para-sismique entre deux murs, l'emboitement et l'auto-alignement.