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发明名称
摘要
申请公布号
JPS5416821(B2)
申请公布日期
1979.06.25
申请号
JP19730037198
申请日期
1973.03.31
申请人
发明人
分类号
H04J3/06;H04L7/00;H04M3/00;H04Q11/04
主分类号
H04J3/06
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代理人
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