Patent classifications
C
CHEMISTRY; METALLURGY
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C03
GLASS; MINERAL OR SLAG WOOL
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C03B
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
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37/00
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
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C03B37/01
Manufacture of glass fibres or filaments
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C03B37/02
by drawing or extruding,; e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
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C03B37/025
from reheated softened tubes, rods, fibres or filaments; , e.g. drawing fibres from preforms
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C03B37/0253
Controlling or regulating
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