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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
E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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FR1032048D1950-02-091951-02-05Carreau en ciment et laine de bois ou matière analogue, recouvert des deux côtés d'une couche protectrice
ExpiredFR1032048A
(fr)