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公开(公告)号：US3011019A
公开(公告)日：1961-11-28
申请号：US76827658
申请日：1958-10-20
Applicant: DIAMOND POWER SPECIALITY
Inventor： RADO JOHN A
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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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