Self-supporting, pleated, spirally wound filter
作者： William C. Steere , Eric Sklar
DOI:
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摘要: A coreless filter (10) comprises a element (12), which is spirally wound loop of material, so that it becomes rigid and forms central passageway (20), disposed in housing (14b) sealed there by endcap (14a). The includes layer such as membrane filter, interposed between two support layers.
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