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经营范围
发明名称
PRIVATE BRANCH EXCHANGE
摘要
申请公布号
JPH06189357(A)
申请公布日期
1994.07.08
申请号
JP19920336896
申请日期
1992.12.17
申请人
TOSHIBA CORP
发明人
SHIBATA NAOTO
分类号
H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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