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公开(公告)号：US2670648A
公开(公告)日：1954-03-02
申请号：US12054249
申请日：1949-10-10
Applicant: BECKMAN INSTRUMENTS INC
Inventor： MILLER WILLIAM C , STRAIN DOUGLAS C
IPC: G01J3/16
CPC classification number: G01J3/16
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公开(公告)号：US2594334A
公开(公告)日：1952-04-29
申请号：US11755749
申请日：1949-09-24
Applicant: BECKMAN INSTRUMENTS INC
Inventor： MILLER WILLIAM C
IPC: G01J3/16
CPC classification number: G01J3/16
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