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公开(公告)号：EP0657995B1
公开(公告)日：1999-10-13
申请号：EP93830492.0
申请日：1993-12-07
Applicant: STMicroelectronics S.r.l.
Inventor： Cini, Carlo , Stefani, Fabrizio
IPC: H03F3/30
CPC classification number: H03F3/45179 , H03F3/3008 , H03F2203/30012 , H03F2203/30051
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