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发明名称
TELEPHONE SYSTEM
摘要
申请公布号
JPH04199951(A)
申请公布日期
1992.07.21
申请号
JP19900331683
申请日期
1990.11.29
申请人
TOSHIBA CORP
发明人
SUNAGA SADAJI
分类号
H04M1/00;H04M1/27;H04M1/2745;H04M1/64
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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