DIFF Subgroup
C03C 1/02 Pretreated ingredients
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels > Pretreated ingredients
CPC:
Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels > Pretreated ingredients
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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