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公开(公告)号：US3458046A
公开(公告)日：1969-07-29
申请号：US3458046D
申请日：1967-04-10
Applicant: PASSAVANT WERKE
Inventor： PASSAVANT RUDOLF C
IPC: B01D33/333 , E02B5/08
CPC classification number: B01D33/333
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