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PCE
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DIFF Subgroup
H01Q 1/48

Earthing means; Earth screens; Counterpoises

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of, or arrangements associated with, antennas > Earthing means; Earth screens; Counterpoises

CPC:

Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00) > Earthing means; Earth screens; Counterpoises

No child classifications to compare. This is a leaf node in both IPC and CPC.