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发明名称
SPEED CONVERSION CIRCUIT
摘要
申请公布号
JPH0457546(A)
申请公布日期
1992.02.25
申请号
JP19900169162
申请日期
1990.06.27
申请人
NEC ENG LTD
发明人
FUKUDA SEIJI
分类号
H04J3/22;H04L29/08
主分类号
H04J3/22
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代理人
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