专利名称：Filter element retainer construction发明人：Martin Heffler申请号：US05/623573申请日：19751020公开号：US04009012A公开日：19770222
摘要：Improvements in filter banks wherein a framework having plural openings isprovided with filter elements in respective openings, holding elements in bearingengagement with marginal regions of the filter elements, and releasable gripping meansattached to the holding elements in releasable gripping relation with an adjacentframework portion to removably retain the holding elements in holding position.
申请人：HEFFLER; MARTIN
代理人：Robert K. Youtie
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