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1.发明授权
公开(公告)号：US2499613A
公开(公告)日：1950-03-07
申请号：US67006946
申请日：1946-05-16
Applicant: STEWART WARNER CORP
Inventor： THOMPSON NORMAN F
IPC: H03K3/37
CPC classification number: H03K3/37
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公开(公告)号：US2556713A
公开(公告)日：1951-06-12
申请号：US67006846
申请日：1946-05-16
Applicant: STEWART WARNER CORP
Inventor： THOMPSON NORMAN F
IPC: H03K17/54
CPC classification number: H03K17/54
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