B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F15/00—Flooring
E04F15/02—Flooring or floor layers composed of a number of similar elements
E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members