Floor covering and method for its manufacture
In order to manufacture a floor covering consisting of two layers of needled felt, of which the top layer (10) is structured on its top side, the bottom layer (11) is needled into the top layer (10) from the direction of the underside of the said structured top layer (10). The needle depth is in thi...
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Format: | Patent |
Sprache: | eng ; ger |
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