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公开(公告)号：US3019092A
公开(公告)日：1962-01-30
申请号：US78172058
申请日：1958-12-19
Applicant: RCA CORP
Inventor： ROSI FRED D , WEISBERG LEONARD R
IPC: B01D7/00
CPC classification number: B01D7/00
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