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公开(公告)号：US2528206A
公开(公告)日：1950-10-31
申请号：US61589645
申请日：1945-09-12
Applicant: HONORARY ADVISORY COUNCIL SCI
Inventor： BEVERIDGE HAROLD N
IPC: H03D1/10
CPC classification number: H03D1/10
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公开(公告)号：US2599528A
公开(公告)日：1952-06-10
申请号：US62542645
申请日：1945-10-29
Applicant: HONORARY ADVISORY COUNCIL SCI
Inventor： BEVERIDGE HAROLD N
IPC: G01R27/26
CPC classification number: G01R27/2605
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