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公开(公告)号:US2987958A
公开(公告)日:1961-06-13
申请号:US67308857
申请日:1957-07-19
Applicant: PERKIN ELMER CORP
Inventor: MARSHALL JR HAMILTON W
IPC: G01J3/04
CPC classification number: G01J3/04
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公开(公告)号:US2972277A
公开(公告)日:1961-02-21
申请号:US66745257
申请日:1957-06-24
Applicant: PERKIN ELMER CORP
Inventor: SIEGLER JR EDOUARD HORACE , MARSHALL JR HAMILTON W
IPC: G02B5/04
CPC classification number: G02B5/04
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