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PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
G12B 17/02

from electric or magnetic fields, e.g. radio waves

Full Title

Screening (insulation or other protection of buildings E04B; emergency protection of apparatus in general F16P7/00; in connection with acoustic waves G10K11/00; in connection with nuclear radiation G21F) > from electric or magnetic fields, e.g. radio waves