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发明名称
MODULATION METHOD FOR DIGITAL SIGNAL
摘要
申请公布号
JPH04199942(A)
申请公布日期
1992.07.21
申请号
JP19900325990
申请日期
1990.11.29
申请人
HITACHI LTD
发明人
ISHII HIROTAKE;UMEMOTO MASUO
分类号
G11B20/14;H03M7/14;H04L25/49
主分类号
G11B20/14
代理机构
代理人
主权项
地址
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