LU66974A1LU66974ALU66974DALU66974A1LU 66974 A1LU66974 A1LU 66974A1LU 66974 ALU66974 ALU 66974ALU 66974D ALU66974D ALU 66974DALU 66974 A1LU66974 A1LU 66974A1
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LU
Luxembourg
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LU66974A
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Publication date
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Publication of LU66974A1publicationCriticalpatent/LU66974A1/xx
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
E04F15/08—Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
E04F11/02—Stairways; Layouts thereof
E04F11/104—Treads
E04F11/16—Surfaces thereof; Protecting means for edges or corners thereof