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公开(公告)号：US1992101A
公开(公告)日：1935-02-19
申请号：US59362232
申请日：1932-02-17
Applicant: DONALD STUART LESLIE
Inventor： DONALD STUART LESLIE
CPC classification number: B01D29/46 , B01D25/00 , B01D37/02 , B01D2201/087
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