| http://www.w3.org/ns/prov#value | - extruder delivers at least one second molten extrudable material into said die. [0080] According to yet another feature, the plant includes a device for cooling the profile, especially by exposure to air or to a coolant and/or by contact with members having cold or cooled surfaces, making it possible to freeze the second extrudable material(s) and/or the first thermoplastic and to mutually consol
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