Patent search ap:("CSF") AND inv:"FERNAND NALOT JEAN PAUL" Page 1

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发明授权
Travelling wave tube 失效

公开(公告)号：US2982879A

公开(公告)日：1961-05-02

申请号：US65063057

申请日：1957-04-04

Applicant: CSF

Inventor： FERNAND NALOT JEAN PAUL

IPC: H01J23/26 , H01J23/28 , H01J25/46

CPC classification number: H01J23/26 , H01J23/28 , H01J25/46

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