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公开(公告)号：US2559662A
公开(公告)日：1951-07-10
申请号：US70966246
申请日：1946-11-13
Applicant: INT STANDARD ELECTRIC CORP
Inventor： MICHAEL RHEINGOLD , MIERLO STANISLAS VAN
IPC: H03F3/189
CPC classification number: H03F3/189
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