CPC Subgroup
C03B 23/049 by pressing (C03B21/04 , C03B23/26 take precedence)
Full Title
Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming tubes or rods > by pressing (C03B21/04 , C03B23/26 take precedence)
2 direct subcodes
Child Classifications
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