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MANIFATTURA SPECCHI E VETRI FE
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MANIFATTURA SPECCHI E VETRI FE
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Application filed by MANIFATTURA SPECCHI E VETRI FEfiledCriticalMANIFATTURA SPECCHI E VETRI FE
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Publication of FR767338ApublicationCriticalpatent/FR767338A/fr
C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B27/00—Tempering or quenching glass products
C03B27/016—Tempering or quenching glass products by absorbing heat radiated from the glass product
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FR767338D1933-01-211934-01-20Système pour le réglage de la température dans la chambre intérieure des fours indépendamment de la source de chaleur
ExpiredFR767338A
(fr)