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发明名称
DIGITAL TRANSMISSION SYSTEM
摘要
申请公布号
JPS5579546(A)
申请公布日期
1980.06.16
申请号
JP19790156944
申请日期
1979.12.05
申请人
WESTERN ELECTRIC CO
发明人
JIYOSEFU ERIITO RANDORII
分类号
H04J3/00;H04J3/06;H04J3/12;H04Q11/04
主分类号
H04J3/00
代理机构
代理人
主权项
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