FR355791A - Procédé pour la préparation, à des températures relativement basses, d'une composition de verre quartzeux exempte de bulles d'air
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Procédé pour la préparation, à des températures relativement basses, d'une composition de verre quartzeux exempte de bulles d'air
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C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B1/00—Preparing the batches
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FR355791D1905-07-011905-07-01Procédé pour la préparation, à des températures relativement basses, d'une composition de verre quartzeux exempte de bulles d'air
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(fr)