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公开(公告)号：US3249403A
公开(公告)日：1966-05-03
申请号：US23509662
申请日：1962-11-02
Applicant: BECKMAN INSTRUMENTS INC
Inventor： HAROLD BOCHINSKI JULIUS , PORTER JOE A
IPC: G01N30/06
CPC classification number: G01N30/06
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