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公开(公告)号：US3439193A
公开(公告)日：1969-04-15
申请号：US3439193D
申请日：1965-01-05
Applicant: CSF
Inventor： BENSUSSAN ANDRE MARC
CPC classification number: H01J45/00 , G21D7/04 , Y10S376/903
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