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Application filed by Instytut Ceramiki I Materiałów BudowlanychfiledCriticalInstytut Ceramiki I Materiałów Budowlanych
Priority to PL392495ApriorityCriticalpatent/PL217096B1/en
Publication of PL392495A1publicationCriticalpatent/PL392495A1/en
Publication of PL217096B1publicationCriticalpatent/PL217096B1/en