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公开(公告)号：US2916148A
公开(公告)日：1959-12-08
申请号：US69188757
申请日：1957-10-23
Applicant: INDIANA COMMERCIAL FILTERS COR
Inventor： CRANE WILLIAM A , HONAN PAUL R
IPC: B01D35/16
CPC classification number: B01D35/16
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公开(公告)号：US2940644A
公开(公告)日：1960-06-14
申请号：US67322357
申请日：1957-07-22
Applicant: INDIANA COMMERCIAL FILTERS COR
Inventor： CRANE WILLIAM A
CPC classification number: G01F13/001 , B01J4/02 , C02F1/687
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公开(公告)号：US2940595A
公开(公告)日：1960-06-14
申请号：US71557658
申请日：1958-02-17
Applicant: INDIANA COMMERCIAL FILTERS COR
Inventor： CRANE WILLIAM A
IPC: B01D35/12
CPC classification number: B01D35/12
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