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公开(公告)号：US2916057A
公开(公告)日：1959-12-08
申请号：US68026157
申请日：1957-08-26
Applicant: BECKMAN INSTRUMENTS INC
Inventor： CARLE DON W , WORMER WILLIAM VAN
CPC classification number: G01N30/18 , A61M5/31591 , B01J4/02 , B01L3/022 , G01N1/14
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