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公开(公告)号：US3127669A
公开(公告)日：1964-04-07
申请号：US9566661
申请日：1961-03-14
Applicant: WESTERN ELECTRIC CO
Inventor： REBER JOHN P , SCHLEMM WILLIAM A , SEAMAN GARY G
IPC: H01J9/46
CPC classification number: H01J9/46 , H01J2893/0096 , H01J2893/0097 , Y10T29/53261 , Y10T29/53483
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