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公开(公告)号：US3215832A
公开(公告)日：1965-11-02
申请号：US22837362
申请日：1962-10-04
Applicant: BECKMAN INSTRUMENTS INC
Inventor： MADSEN RAYMOND L , LISTON MAX D
IPC: G01N21/37
CPC classification number: G01N21/37
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公开(公告)号：US3130302A
公开(公告)日：1964-04-21
申请号：US1393260
申请日：1960-03-09
Applicant: BECKMAN INSTRUMENTS INC
Inventor： LISTON MAX D , MADSEN RAYMOND L
IPC: G01N21/37
CPC classification number: G01N21/37
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