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发明名称
UNATTENDED TELEPHONE EXCHANGE
摘要
申请公布号
JPH0984067(A)
申请公布日期
1997.03.28
申请号
JP19950240303
申请日期
1995.09.19
申请人
NIPPON TSUSHINKI HANBAI KK
发明人
OHIRA MASATOSHI
分类号
H04M3/50;H04M3/42;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M3/50
代理机构
代理人
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