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经营范围
发明名称
DIGITAL MODULATION SYSTEM
摘要
申请公布号
JPS6249724(A)
申请公布日期
1987.03.04
申请号
JP19850188501
申请日期
1985.08.29
申请人
NEC CORP
发明人
KATO HIDEAKI
分类号
G11B20/14;H03M7/14;H03M7/46
主分类号
G11B20/14
代理机构
代理人
主权项
地址
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