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公开(公告)号：US3316434A
公开(公告)日：1967-04-25
申请号：US30713363
申请日：1963-09-06
Applicant: PICKER X RAY CORP
Inventor： HANSEN CARL W
IPC: H01J47/06
CPC classification number: H01J47/06 , Y10T29/49863
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