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公开(公告)号：US2683237A
公开(公告)日：1954-07-06
申请号：US26402751
申请日：1951-12-29
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： SCULLIN CARL H
IPC: H01J19/34
CPC classification number: H01J19/34 , H01J2893/0003
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公开(公告)号：US2628328A
公开(公告)日：1953-02-10
申请号：US20228750
申请日：1950-12-22
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： SCULLIN CARL H
IPC: H01J19/34
CPC classification number: H01J19/34 , H01J2893/0003
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