CPC Main Group
C03B 21/00 Severing glass sheets, tubes or rods while still plastic
3 direct subcodes
Child Classifications
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- C03B 21/02 by cutting (C03B9/46 takes precedence)
- C03B 21/04 by punching out
- C03B 21/06 by flashing-off, burning-off or fusing (C03B9/42 takes precedence)