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公开(公告)号：US3186234A
公开(公告)日：1965-06-01
申请号：US13755261
申请日：1961-09-12
Applicant: BECKMAN INSTRUMENTS INC
Inventor： SOLNICK ROBERT L , DORA RALPH A
IPC: G01N30/20
CPC classification number: G01N30/20 , G01N2030/205
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