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公开(公告)号：US3059136A
公开(公告)日：1962-10-16
申请号：US6804860
申请日：1960-11-08
Applicant: CONTROLS CO OF AMERICA
Inventor： MCCARTY LOURDES V , MICHAEL BAYARD H
IPC: H01J13/14
CPC classification number: H01J13/14 , H01J2893/0082 , H01J2893/0087
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