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发明名称
PRIVATE BRANCH EXCHANGE
摘要
申请公布号
JPH04306044(A)
申请公布日期
1992.10.28
申请号
JP19910070103
申请日期
1991.04.02
申请人
TOSHIBA CORP
发明人
MORI TOSHIKI
分类号
H04M3/48;H04Q3/58
主分类号
H04M3/48
代理机构
代理人
主权项
地址
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