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发明名称
PRIVATE BRANCH OF EXCHANGE SYSTEM
摘要
申请公布号
JPH02174356(A)
申请公布日期
1990.07.05
申请号
JP19880329733
申请日期
1988.12.27
申请人
TOSHIBA CORP
发明人
AOSHIMA AKIHIKO
分类号
H04M3/42;H04M3/533;H04M3/56
主分类号
H04M3/42
代理机构
代理人
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地址
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