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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C03B23/04
Re-forming tubes or rods
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C03B23/045
Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks
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