| http://www.w3.org/ns/prov#value | - The invention mainly provides a wrapping film that is subjected to stretching, under a tension lying in the range of 10 N/mm2 to 20 N/mm2 of its initial cross-section, to winding, and to relaxation on a take-up mandrel or reel under tension lying in the range of 10% to 90% of the stretching tension.
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