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Priority to JP13419984UpriorityCriticalpatent/JPH0141245Y2/ja
Publication of JPS6150353UpublicationCriticalpatent/JPS6150353U/ja
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Publication of JPH0141245Y2publicationCriticalpatent/JPH0141245Y2/ja
"perfeccionamientos introducidos en una disposicion de desmodulador y de filtro en un sistema que incluye una fuente de senales digitales portadoras de informacion".
Systeme de soutenement utilisable en travaux souterrains en complement de cadres, cintres, etc... metalliques ou autres permettant de bloquer efficacement le terrain sur toute la peripherie avec utilisation de manches en tissu permeable a l'eau rempli de coulis pompable elabore a cet usage