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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
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