Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"TALPEY THOMAS E" Page 1

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发明授权
Electron discharge devices 失效
Title translation: 电子放电装置

公开(公告)号：US2843786A

公开(公告)日：1958-07-15

申请号：US44557754

申请日：1954-07-26

Applicant: BELL TELEPHONE LABOR INC

Inventor： TALPEY THOMAS E

IPC: H01J19/28 , H01J19/30 , H01J21/10

CPC classification number: H01J21/10 , H01J19/28 , H01J19/30 , H01J2893/0013 , H01J2893/0019

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