DIFF Subgroup
G21F 1/06 Ceramics; Glasses; Refractories (cermets G21F1/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Ceramics; Glasses; Refractories
CPC: Ceramics; Glasses; Refractories (cermets G21F1/08)
Full Title
Full titles differ between systems:
IPC:
Shielding characterised by the composition of the material > Selection of uniform shielding materials > Ceramics; Glasses; Refractories
CPC:
Shielding characterised by the composition of the materials > Selection of uniform shielding materials > Ceramics; Glasses; Refractories (cermets G21F1/08)
No child classifications to compare. This is a leaf node in both IPC and CPC.