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发明名称
DIGITAL MODULATOR
摘要
申请公布号
JPS6285538(A)
申请公布日期
1987.04.20
申请号
JP19850224728
申请日期
1985.10.11
申请人
HITACHI LTD
发明人
NAKAMURA SHIGEKI
分类号
H04L27/20
主分类号
H04L27/20
代理机构
代理人
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