| 摘要 |
A filter for a vehicle engine air intake; the filter has an undulated filtering element, and a rigid peripheral frame surrounding and supporting the filtering element, and having a C-shaped annular seat housing the peripheral edge of the filtering element; the peripheral edge of the filtering element is secured inside the annular seat by a layer of glue completely filling the annular seat; and the peripheral frame is made of composite material, and formed by gluing together a flat top annular border, made from a single sheet of material, and an S-shaped bottom annular border, also made from a single sheet of material.
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