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Application filed by Institutul PolitehnicfiledCriticalInstitutul Politehnic
Priority to RO118955ApriorityCriticalpatent/RO92964B1/ro
Publication of RO92964A2publicationCriticalpatent/RO92964A2/fr
Publication of RO92964B1publicationCriticalpatent/RO92964B1/ro
Apparecchiatura per l'analisi acustica del rivestimento e del legante circondanti trivellazioni che attraversano formazioni del sottosuolo, e metodo perl'utilizzazione della detta apparecchiatura.