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公开(公告)号：US3151052A
公开(公告)日：1964-09-29
申请号：US19554062
申请日：1962-05-17
Applicant: BECKMAN INSTRUMENTS INC
Inventor： ARTHUR EDWIN P , FRIEDMAN HOWARD L
IPC: G01N27/07 , G01N27/26 , G01N27/28 , G01N27/30 , G01N27/416 , G01N33/487
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