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公开(公告)号：US3291982A
公开(公告)日：1966-12-13
申请号：US53921366
申请日：1966-03-31
Applicant: YISSUM RES DEV CO
Inventor： ERNST ALEXANDER , FRAENKEL BENJAMIN S
CPC classification number: G01J3/02 , G01J3/0291 , G01J3/20 , G01N23/20008 , G01N2223/0568 , G01N2223/415
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