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公开(公告)号：US3046716A
公开(公告)日：1962-07-31
申请号：US81326359
申请日：1959-05-14
Applicant: APRA PRECIPITATOR CORP
Inventor： JAMES RODGER
IPC: B03C3/41
CPC classification number: B03C3/41 , B03C2201/10
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