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发明名称
DIGITAL TELEPHONE SYSTEM
摘要
申请公布号
JPH0514952(A)
申请公布日期
1993.01.22
申请号
JP19910162819
申请日期
1991.07.03
申请人
TOSHIBA CORP
发明人
NAKAMURA MASUICHI
分类号
H04M1/00;H04M1/253;H04Q3/58
主分类号
H04M1/00
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代理人
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