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QUARZGESELLSCHAFT M B H DEUTSC
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QUARZGESELLSCHAFT M B H DEUTSC
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Application filed by QUARZGESELLSCHAFT M B H DEUTSCfiledCriticalQUARZGESELLSCHAFT M B H DEUTSC
Application grantedgrantedCritical
Publication of FR421526ApublicationCriticalpatent/FR421526A/fr
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
C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
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FR421526D1910-10-171910-10-17Procédé pour la production d'objets transparents en quartz
ExpiredFR421526A
(fr)