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公开(公告)号：US2541757A
公开(公告)日：1951-02-13
申请号：US62436545
申请日：1945-10-25
Applicant: CLEVELAND DETROIT CORP
Inventor： ALFRED GRIER JOHN
CPC classification number: B67D1/0057 , B01F3/04808 , B01F15/066 , B01F2015/061 , Y10S261/07
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