Patent search ap:("CENTRE NAT RECH SCIENT") AND inv:"CAMBOU FRANCIS G" Page 1

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发明授权
Ionization type gauge usable over a wide range of pressures 失效
Title translation: 离子型测量仪可用于大范围的压力范围

公开(公告)号：US3446958A

公开(公告)日：1969-05-27

申请号：US3446958D

申请日：1968-06-03

Applicant: CENTRE NAT RECH SCIENT

Inventor： CAMBOU FRANCIS G , COTIN FRANCIS L

IPC: G01L21/30 , G01L21/34 , G01L21/36 , G01N27/66 , G01T1/185 , H01J41/08 , G01N23/12 , G01N21/26 , H01J37/08

CPC classification number: H01J41/08 , G01L21/30 , G01L21/34 , G01L21/36 , G01N27/66 , G01T1/185

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