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公开(公告)号：US2065768A
公开(公告)日：1936-12-29
申请号：US75033134
申请日：1934-10-27
Applicant: AVITE PRODUCTS INC
Inventor： TRAFTON ERNEST E
IPC: B01D29/00
CPC classification number: B01D29/01 , B01D29/15 , B01D29/56 , B01D29/66 , B01D36/02 , B01D2201/02 , B01D2201/182
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