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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
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Publication of FR421758ApublicationCriticalpatent/FR421758A/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
C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
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FR421758D1910-10-241910-10-24Procédé pour la production d'objets en quartz composés de plusieurs couches
ExpiredFR421758A
(fr)