CPC Subgroup
G12B 17/06 from heat (G12B17/04 takes precedence; cooling G12B15/00)
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 heat (G12B17/04 takes precedence; cooling G12B15/00)