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公开(公告)号：US2659033A
公开(公告)日：1953-11-10
申请号：US65794446
申请日：1946-03-29
Applicant: HARE MILTON D , VIRGINIA LEONARD
Inventor： HARE MILTON D , VIRGINIA LEONARD
IPC: H01J25/56
CPC classification number: H01J25/56
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公开(公告)号：US2629971A
公开(公告)日：1953-03-03
申请号：US61638545
申请日：1945-09-14
Applicant: HARE MILTON D
Inventor： HARE MILTON D
CPC classification number: C03C29/00 , H01J5/26 , H01J2893/0043
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