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公开(公告)号：US3305748A
公开(公告)日：1967-02-21
申请号：US26146163
申请日：1963-02-27
Applicant: THOMSON HOUSTON COMP FRANCAISE
Inventor： MARIE PEHE FRANCOIS , PIERRE GERLACH
IPC: H01J19/38
CPC classification number: H01J19/38 , H01J2893/0017
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