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发明名称
CHARGING SITUATION INFORMING TELEPHONE SYSTEM
摘要
申请公布号
JPH0556193(A)
申请公布日期
1993.03.05
申请号
JP19910215677
申请日期
1991.08.28
申请人
NEC CORP
发明人
MORIYA YASUHARU
分类号
H04M15/00
主分类号
H04M15/00
代理机构
代理人
主权项
地址
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