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C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B15/00—Drawing glass upwardly from the melt
C03B15/14—Drawing tubes, cylinders, or rods from the melt
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FR4053D1904-10-311904-12-12
Method and device for the manufacture of glass hollow bodies, in particular cylinders intended to form sheets
ExpiredFR4053E
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