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Improvements are intended to the methods and devices making it possible to produce an industrial scale of the wires of a thermoplastic material, and in particular of glass, for the preparation of films, felts, panels, spun textile and the like, and improved devices relating thereto
Improvements are intended to the methods and devices making it possible to produce an industrial scale of the wires of a thermoplastic material, and in particular of glass, for the preparation of films, felts, panels, spun textile and the like, and improved devices relating thereto