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经营范围
发明名称
EXCHANGE INCOMING CALL SYSTEM
摘要
申请公布号
JPH06284200(A)
申请公布日期
1994.10.07
申请号
JP19930069933
申请日期
1993.03.29
申请人
TOSHIBA CORP;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
SHIBATA TSUTOMU;FUKUSHIMA MASAFUMI
分类号
H04M3/42;H04M7/06;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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