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公开(公告)号：US3252046A
公开(公告)日：1966-05-17
申请号：US16261261
申请日：1961-12-27
Applicant: KERNS QUENTIN A , COX GERALD C , INNES THOMAS G , FLOOD WILLIAM S
Inventor： KERNS QUENTIN A , COX GERALD C , INNES THOMAS G , FLOOD WILLIAM S
IPC: H01J61/00
CPC classification number: H01J61/00 , H01J2893/0063
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