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公开(公告)号：US3403784A
公开(公告)日：1968-10-01
申请号：US63767167
申请日：1967-05-11
Applicant: DETROIT FILTER CORP
Inventor： BLUMBERG WALDORF H
CPC classification number: B01D29/114 , B01D35/153 , B01D2201/165
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