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1.
公开(公告)号:US3508045A
公开(公告)日:1970-04-21
申请号:US3508045D
申请日:1968-07-12
Applicant: APPLIED RES LAB
Inventor: ANDERSEN CHRISTIAN A , LIEBL HELMUT J
CPC classification number: H01J37/252 , H01J49/10 , H01J49/145
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公开(公告)号:CA904726A
公开(公告)日:1972-07-11
申请号:CA904726D
Applicant: APPLIED RES LAB
Inventor: LIEBL HELMUT J , ANDERSEN CHRISTIAN A
IPC: H01J37/252 , H01J37/26 , H01J49/10 , H01J49/14
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公开(公告)号:CA902806A
公开(公告)日:1972-06-13
申请号:CA902806D
Applicant: APPLIED RES LAB
Inventor: ANDERSEN CHRISTIAN A , RODEN HENRY J
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