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Application filed by Jarosław Ćwiek, Piotr WojtasikfiledCriticalJarosław Ćwiek
Priority to PL383395ApriorityCriticalpatent/PL383395A1/pl
Publication of PL383395A1publicationCriticalpatent/PL383395A1/pl
Constructions and building structures made of low density (compared to concrete), fireproof and at the same time isulating, permanently hardening material