CS188721B1 - Method of detection the impermeability and rigidity of the solid materials,notably the cast iron against the hydraulic overpressure
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Method of detection the impermeability and rigidity of the solid materials,notably the cast iron against the hydraulic overpressure
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Application filed by Otakar Hruska, Vaclav Koudelka, Jiri KnytlfiledCriticalOtakar Hruska
Priority to CS312877ApriorityCriticalpatent/CS188721B1/cs
Publication of CS188721B1publicationCriticalpatent/CS188721B1/cs
CS312877A1977-05-121977-05-12Method of detection the impermeability and rigidity of the solid materials,notably the cast iron against the hydraulic overpressure
CS188721B1
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