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公开(公告)号：US3213310A
公开(公告)日：1965-10-19
申请号：US14554761
申请日：1961-10-17
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： DOUGLASS BILLY G , MUCCIGROSSO VINCENT J
IPC: H01J29/82
CPC classification number: H01J29/82
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