Said elements are essentially characterised in that the layered flexible films (2, 3) belong to a common closed sleeve, the tightening ropes (4, 5) are longitudinally positioned inside the sleeve and placed inside sheaths (9, 10) obtained by linear longitudinal welding of the two layered films (2, 3) of the sleeve at the rate of one weld seam (11) for the end sheaths (9) and two weld seams (12) for the intermediate sheaths (10).
Des modèles de fixation des prix compliqués, des systèmes de frais de service étranges, des pratiques non conformes au principe du marché unique - les coûts d’itinérance ne constituent qu’un seul exemple.patents-wipo patents-wipo