Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
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E04F15/02
Flooring or floor layers composed of a number of similar elements
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E04F15/02133
fixed directly to an underlayer by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the flooring elements
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E04F15/02138
by hook and loop-type fasteners
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