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| US3958473 | 18 juin 1975 | 25 mai 1976 | Barmag Barmer Maschinenfabrik Aktiengesellschaft | Apparatus for eliminating filamentary winders |
| US4098155 | 17 sept. 1976 | 4 juil. 1978 | The Fletcher-Terry Company | Self-compensating scoring head |
| US5288033 | 29 oct. 1992 | 22 févr. 1994 | E. I. Du Pont de Nemours and Company | Method and apparatus for contact winding |
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