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发明名称
摘要
申请公布号
JPS4930591(B1)
申请公布日期
1974.08.14
申请号
JP19700019174
申请日期
1970.03.05
申请人
发明人
分类号
H03M7/12;H04L25/49
主分类号
H03M7/12
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代理人
主权项
地址
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