CPC Subgroup
F21V 11/18 movable, e.g. flaps, slides
Full Title
Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 (characterised by cooling arrangements F21V29/502) > using sheets without apertures, e.g. fixed > movable, e.g. flaps, slides
2 direct subcodes
Child Classifications
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