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公开(公告)号:US3180816A
公开(公告)日:1965-04-27
申请号:US18279262
申请日:1962-03-27
Applicant: HORST RORDORF
Inventor: HORST RORDORF
CPC classification number: H01J37/32018 , B01J19/088 , H01J37/32027 , H01J37/32577
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公开(公告)号:US3213182A
公开(公告)日:1965-10-19
申请号:US18281562
申请日:1962-03-27
Applicant: HORST RORDORF
Inventor: HORST RORDORF
CPC classification number: H01J17/04 , H01B17/306 , H01J5/30 , H01J37/32018 , H01J2893/0046
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