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公开(公告)号:US2155138A
公开(公告)日:1939-04-18
申请号:US15062537
申请日:1937-06-26
Applicant: PHILIPS NV
Inventor: HENDRIK LEMS
CPC classification number: H01J13/06 , H01J13/12 , H01J2893/0075
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公开(公告)号:US2162850A
公开(公告)日:1939-06-20
申请号:US15062337
申请日:1937-06-26
Applicant: PHILIPS NV
Inventor: HENDRIK LEMS , BASTIAAN LOS CORNELIS
CPC classification number: B21B39/002 , B65H3/0816 , H01J13/12 , H01J2893/008 , Y10S428/926 , Y10T428/12812 , Y10T428/12875 , Y10T428/12944
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公开(公告)号:US2151979A
公开(公告)日:1939-03-28
申请号:US11619836
申请日:1936-12-16
Applicant: PHILIPS NV
Inventor: HENDRIK LEMS
IPC: H01J13/48
CPC classification number: H01J13/48
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公开(公告)号:US2112975A
公开(公告)日:1938-04-05
申请号:US13480237
申请日:1937-04-03
Applicant: PHILIPS NV
Inventor: MICHEL PENNING FRANS , HENDRIK LEMS
IPC: H01J40/04
CPC classification number: H01J40/04
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5.Oxide cathode more particularly for a gas-filled discharge tube 失效
Title translation: 更具体地说,用于气体充放电管的氧化物阴极公开(公告)号:US2108589A
公开(公告)日:1938-02-15
申请号:US74313934
申请日:1934-09-07
Applicant: PHILIPS NV
Inventor: HENDRIK LEMS
IPC: H01J17/06
CPC classification number: H01J17/06
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