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Home › Hollow element for the support of a filter medium including support means in the form of spiral portions with a substantially constant slope, and a corresponding filter assembly

Hollow element for the support of a filter medium including support means in the form of spiral portions with a substantially constant slope, and a corresponding filter assembly

US Patent 7854329 · Granted Dec 21, 2010

Estimated economic value: $47,756,000 ⓘ

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