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Application filed by Inst Szkla I Ceramiki W WarszafiledCriticalInst Szkla I Ceramiki W Warsza
Priority to PL20805578ApriorityCriticalpatent/PL111086B1/en
Publication of PL208055A1publicationCriticalpatent/PL208055A1/en
Publication of PL111086B1publicationCriticalpatent/PL111086B1/en