DIFF Subgroup
C03B 23/049 by pressing (C03B21/04 , C03B23/26 take precedence)
Introduced: January 1990
Title
Titles differ between systems:
IPC: by pressing
CPC: by pressing (C03B21/04 , C03B23/26 take precedence)
Full Title
Full titles differ between systems:
IPC:
Re-forming shaped glass > Re-forming tubes or rods > by pressing
CPC:
Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming tubes or rods > by pressing (C03B21/04 , C03B23/26 take precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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