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公开(公告)号：US3419718A
公开(公告)日：1968-12-31
申请号：US51393565
申请日：1965-12-15
Applicant: GULF GENERAL ATOMIC INC
Inventor： HAMMOND ROBERT H , MEYER JR CHARLES H , GEHMAN BRUCE L , KELLY GUY M
CPC classification number: H01J41/04 , C23C14/544 , G01F1/00 , G21K1/043 , Y10T74/2102
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