DIFF Subgroup
C03B 23/043 Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Re-forming shaped glass > Re-forming tubes or rods > Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
CPC:
Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming tubes or rods > Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
No child classifications to compare. This is a leaf node in both IPC and CPC.