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发明名称
摘要
申请公布号
JPS5389(Y2)
申请公布日期
1978.01.06
申请号
JP19730044128U
申请日期
1973.04.12
申请人
发明人
分类号
H04Q3/58;H04M3/58;H04M3/60;H04M3/64;H04M5/04;H04Q3/62;(IPC1-7):H04Q3/62
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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