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公开(公告)号:US2640949A
公开(公告)日:1953-06-02
申请号:US20976851
申请日:1951-02-07
Applicant: ATOMIC ENERGY COMMISSION
Inventor: COOK LESLIE J
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公开(公告)号:US2640950A
公开(公告)日:1953-06-02
申请号:US23012551
申请日:1951-06-06
Applicant: ATOMIC ENERGY COMMISSION
Inventor: COOK LESLIE J
IPC: H01J1/28
CPC classification number: H01J1/28
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