E06B 9/06 collapsible or foldable, e.g. of the bellows or lazy-tongs type (bellows-type doors E06B3/94; roll-type grilles E06B9/18)
Full Title
Screening or protective devices for openings, with or without operating or securing mechanisms; Closures of similar construction (E06B5/10 takes precedence; wings for doors or windows, connected at their edges, E06B3/48; additional indoor equipment of doors or windows, not forming part of the proper finishing work of a building, e.g. curtains, A47H; gratings as building elements E04C2/24; fastening means E05; operating-mechanisms for wings in general E05F) > Shutters, movable grilles, or other safety closing devices, e.g. against burglary (louvre windows or grilles E06B7/08; lamellar blinds E06B9/26) > collapsible or foldable, e.g. of the bellows or lazy-tongs type (bellows-type doors E06B3/94; roll-type grilles E06B9/18)
2 direct subcodes
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