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发明名称
PHASE DETECTING AND MATCHING CIRCUIT FOR NETWORK SYNCHRONIZATION SYSTEM IN DIGITAL TELEPHONE EXCHANGE
摘要
申请公布号
KR1019900005163(B1)
申请公布日期
1990.07.20
申请号
KR1019870002207
申请日期
1987.03.12
申请人
发明人
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主分类号
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