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公开(公告)号:US2505919A
公开(公告)日:1950-05-02
申请号:US71952646
申请日:1946-12-31
Applicant: ATOMIC ENERGY COMMISSION
Inventor: SIMPSON JR JOHN A
IPC: H01J47/06
CPC classification number: H01J47/06
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公开(公告)号:US2595550A
公开(公告)日:1952-05-06
申请号:US59519245
申请日:1945-05-22
Applicant: ATOMIC ENERGY COMMISSION
Inventor: SIMPSON JR JOHN A
IPC: G01T1/18
CPC classification number: G01T1/18
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公开(公告)号:US2509700A
公开(公告)日:1950-05-30
申请号:US73017447
申请日:1947-02-21
Applicant: ATOMIC ENERGY COMMISSION
Inventor: SIMPSON JR JOHN A
IPC: H01J47/06
CPC classification number: H01J47/06
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