DIFF Main Group
G21F 1/00 Shielding characterised by the composition of the materials
Introduced: September 1968
Title
Titles differ between systems:
IPC: Shielding characterised by the composition of the material
CPC: Shielding characterised by the composition of the materials
Full Title
Full titles differ between systems:
IPC:
Shielding characterised by the composition of the material
CPC:
Shielding characterised by the composition of the materials
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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