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公开(公告)号:US2026652A
公开(公告)日:1936-01-07
申请号:US69777633
申请日:1933-11-13
Applicant: CSF
Inventor: MAURICE PONTE
IPC: H01Q9/30
CPC classification number: H01Q9/30
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公开(公告)号:US1983638A
公开(公告)日:1934-12-11
申请号:US67203333
申请日:1933-05-20
Applicant: CSF
Inventor: MAURICE PONTE
CPC classification number: H01J17/30 , H01J17/40 , H01J2893/0067
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