FR528115A - éléments creux en quartz fondu et construction avec ces éléments par superposition et groupement d'appareils pour l'industrie chimique
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éléments creux en quartz fondu et construction avec ces éléments par superposition et groupement d'appareils pour l'industrie chimique
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C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B19/00—Other methods of shaping glass
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Materials Engineering
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FR528115A1915-07-171915-07-17éléments creux en quartz fondu et construction avec ces éléments par superposition et groupement d'appareils pour l'industrie chimique
ExpiredFR528115A
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