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公开(公告)号:US2195168A
公开(公告)日:1940-03-26
申请号:US10425336
申请日:1936-10-06
Applicant: BAUSCH & LOMB
Inventor: STUART FOSTER JOHN
IPC: G01J3/40
CPC classification number: G01J3/40
公开(公告)号:US2195168A
公开(公告)日:1940-03-26
申请号:US10425336
申请日:1936-10-06
Applicant: BAUSCH & LOMB
Inventor: STUART FOSTER JOHN
IPC: G01J3/40
CPC classification number: G01J3/40