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1.发明授权System of eliminating the higher harmonic voltage of any alternating current circuit 失效消除任何交流电路高次谐波电压的系统
公开(公告)号：US2959738A
公开(公告)日：1960-11-08
申请号：US78807759
申请日：1959-01-21
Applicant: AGENCY IND SCIENCE TECHN
Inventor： TORAO NAGAI
IPC: H03F1/36
CPC classification number: H03F1/36
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