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1.
公开(公告)号:US3252030A
公开(公告)日:1966-05-17
申请号:US3869360
申请日:1960-06-21
Applicant: DIAMOND POWER SPECIALITY
Inventor: MADISON CAWEIN
IPC: H01J29/45
CPC classification number: H01J29/451
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公开(公告)号:US3005046A
公开(公告)日:1961-10-17
申请号:US73614158
申请日:1958-05-19
Applicant: DIAMOND POWER SPECIALITY
Inventor: MADISON CAWEIN , RADO JOHN A
IPC: H01J29/02
CPC classification number: H01J29/023
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公开(公告)号:US2809298A
公开(公告)日:1957-10-08
申请号:US41282854
申请日:1954-02-26
Applicant: DIAMOND POWER SPECIALITY
Inventor: MADISON CAWEIN
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