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Priority to JP47080502ApriorityCriticalpatent/JPS523612B2/ja
Publication of JPS4937874ApublicationCriticalpatent/JPS4937874A/ja
Publication of JPS523612B2publicationCriticalpatent/JPS523612B2/ja
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C3/00—Glass compositions
C03C3/04—Glass compositions containing silica
C03C3/062—Glass compositions containing silica with less than 40% silica by weight
C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
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