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经营范围
发明名称
IC CARD TELEPHONE SYSTEM
摘要
申请公布号
JPS6429051(A)
申请公布日期
1989.01.31
申请号
JP19870183478
申请日期
1987.07.24
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
OKUGAWA MORIFUMI;IEGI TOSHIATSU;KIMURA FUMIHIRO
分类号
H04M1/00;G06F9/445;H04M11/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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