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公开(公告)号：US2997626A
公开(公告)日：1961-08-22
申请号：US75956458
申请日：1958-09-08
Applicant: INT STANDARD ELECTRIC CORP
Inventor： ADELAAR HANS H , MASURE JEAN L
IPC: H03K17/52
CPC classification number: H03K17/52
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