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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C03B37/075
Manufacture of; non-optical; fibres or filaments consisting of different sorts of glass or characterised by shape, e.g. undulated fibres
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