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公开(公告)号:US3011060A
公开(公告)日:1961-11-28
申请号:US71244358
申请日:1958-01-31
Applicant: PHILIPS ELECTRONICS INC
Inventor: DORENBOSCH MATTHEW M , WILLIAM ZINGARO PLACIDO
IPC: G01N23/223 , H01J47/02 , H01J47/06
CPC classification number: H01J47/02 , G01N23/223 , G01N2223/076 , H01J47/06
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公开(公告)号:US2999931A
公开(公告)日:1961-09-12
申请号:US77817558
申请日:1958-12-04
Applicant: PHILIPS ELECTRONICS INC
Inventor: WILLIAM ZINGARO PLACIDO
CPC classification number: G03H5/00 , G01N23/22 , G01N2223/064 , G01N2223/076 , G01N2223/079
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