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公开(公告)号：US3308958A
公开(公告)日：1967-03-14
申请号：US35717764
申请日：1964-04-03
Applicant: PALL CORP
Inventor： BERGER ALLEN L , ROBERT MASON , PALL DAVID B
IPC: B01D29/21
CPC classification number: B01D29/21
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