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Application filed by Instytut Ceramiki I Materiałów BudowlanychfiledCriticalInstytut Ceramiki I Materiałów Budowlanych
Priority to PL391022ApriorityCriticalpatent/PL224166B1/pl
Publication of PL391022A1publicationCriticalpatent/PL391022A1/pl
Publication of PL224166B1publicationCriticalpatent/PL224166B1/pl