Patent search ap:("SOC NOUVELLE OUTIL RBV RADIO") AND inv:"EDOUARD LABIN" Page 1

1.

发明授权
Electron tube 失效

公开(公告)号：US2913620A

公开(公告)日：1959-11-17

申请号：US44424054

申请日：1954-07-19

Applicant: SOC NOUVELLE OUTIL RBV RADIO

Inventor： EDOUARD LABIN

IPC: G06G7/26 , H01J3/02 , H01J13/50 , H01J21/02 , H01J29/52

CPC classification number: H01J29/52 , G06G7/26 , H01J3/029 , H01J13/50 , H01J21/02 , H01J2893/0088

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