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公开(公告)号：US2870859A
公开(公告)日：1959-01-27
申请号：US66651857
申请日：1957-06-19
Applicant: BOWSER INC
Inventor： TOPOL GEORGE J , BARANOWSKI LESLIE B , IVAN BARTIK
CPC classification number: B01D19/02 , A23D9/02 , B01D19/00 , Y10T137/7368
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