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公开(公告)号：US3250937A
公开(公告)日：1966-05-10
申请号：US16750762
申请日：1962-01-22
Applicant: LAB FOR ELECTRONICS INC
Inventor： WOODWORTH VICTOR C , LEONE JAMES E
IPC: H01J47/00
CPC classification number: H01J47/00
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