Patent search ap:("COMMISSARIAT ENERGIE ATOMIQUE") AND inv:"CAMILLE VAVASSEUR" Page 1

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发明授权
Method and device for pumping a gas 失效
Title translation: 用于抽气的方法和装置

公开(公告)号：US3241490A

公开(公告)日：1966-03-22

申请号：US20533062

申请日：1962-06-26

Applicant: COMMISSARIAT ENERGIE ATOMIQUE

Inventor： PIERRE RICATEAU , CAMILLE VAVASSEUR

IPC: H01J41/18 , H01J41/20 , H02K44/04

CPC classification number: H02K44/04 , H01J41/18 , H01J41/20

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