| 摘要 |
Pipe made of synthetic material having several layers, manufactured by coextrusion and intended to convey a motor-vehicle fuel, comprising, from the inside outwards, a layer made of polyethylene, an adhesive layer made of a copolymer of polyethylene, acrylic acid and/or maleic anhydride, and an outer layer made of polyphenylene sulphide (PPS).
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