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BRIGHTWATER ENGINEERING LIMITED
| BRIGHTWATER ENGINEERING LIMITED Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100117258 | APPARATUS AND METHOD - A method and apparatus of production of tubes comprising, on an extruder, extruding molten plastics through die formations of a die head so as to extrude tubes each including at least one internal longitudinal web, and subsequently cooling the extruded tubes. In addition, when advancing molten plastics through a die hole ( | 05-13-2010 |