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公开(公告)号：US3244607A
公开(公告)日：1966-04-05
申请号：US14365761
申请日：1961-10-09
Applicant: BECKMAN INSTRUMENTS INC
Inventor： LEONARD JOHN E , AUSTIN ROBERT R
IPC: G01N27/44
CPC classification number: G01N27/44
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