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公开(公告)号:US2539575A
公开(公告)日:1951-01-30
申请号:US155748
申请日:1948-01-10
Applicant: BECKMAN INSTRUMENTS INC
Inventor: GEORGE KENYON P
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公开(公告)号:US2705440A
公开(公告)日:1955-04-05
申请号:US12034849
申请日:1949-10-08
Applicant: BECKMAN INSTRUMENTS INC
Inventor: GEORGE KENYON P , STICKNEY MICHAEL E
IPC: G01J3/04
CPC classification number: G01J3/04 , Y10T74/20006 , Y10T74/20474
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公开(公告)号:US2620990A
公开(公告)日:1952-12-09
申请号:US69560646
申请日:1946-09-09
Applicant: BECKMAN INSTRUMENTS INC
Inventor: CARY HENRY H , HAWES ROLAND C , STICKNEY MICHAEL E , GEORGE KENYON P
IPC: H01C17/04
CPC classification number: H01C17/04 , Y10T29/5102 , Y10T29/5186 , Y10T29/5187
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公开(公告)号:US2607899A
公开(公告)日:1952-08-19
申请号:US72203847
申请日:1947-01-14
Applicant: BECKMAN INSTRUMENTS INC
Inventor: CARY HENRY H , HAWES ROLAND C , GEORGE KENYON P
IPC: G01J3/42
CPC classification number: G01J3/42
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