| 摘要 |
The present invention relates to ducts, pipes, and other complex convoluted parts (e.g., automotive parts) formed via 3 D-blow molding, and to methods for making such ducts, pipes, and other complex convoluted parts out of a plastic material. In one embodiment, the present invention relates to exhaust ducts, exhaust pipes, and other complex convoluted exhaust parts formed via 3 D-blow molding, and to methods for making such automotive and/or vehicular exhaust parts out of a plastic material.
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