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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C03B2207/00
Glass deposition burners
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C03B2207/04
Multi-nested ports
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C03B2207/14
Tapered or flared nozzles or ports angled to central burner axis
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