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公开(公告)号：US2918173A
公开(公告)日：1959-12-22
申请号：US53271755
申请日：1955-09-06
Applicant: BOWSER INC
Inventor： DALEY ROGER J , SCHABER DONALD R
CPC classification number: C10G33/06 , B01D17/045 , B01D17/10
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