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C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
C03B17/04—Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
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FR901337D1943-02-111944-01-19Procédé de fabrication de tubes de verre et semblables et produits en résultant
ExpiredFR901337A
(fr)