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Application filed by Univ Sofijski TechfiledCriticalUniv Sofijski Tech
Priority to BG6627184ApriorityCriticalpatent/BG51293A1/en
Publication of BG51293A1publicationCriticalpatent/BG51293A1/en
The glass is based on fluorophosphates and contains the following components (in molar per cent): 10 to 40 - metaphosphate, 0.2 to 70 - metal fluoride, and 0.2 to 60 - boron nitride.