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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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