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发明名称
SERVICE USE STATUS INQUIRY SYSTEM
摘要
申请公布号
JPH07297971(A)
申请公布日期
1995.11.10
申请号
JP19940085065
申请日期
1994.04.22
申请人
FUJITSU LTD
发明人
ARAKI KENJI
分类号
H04N1/00;H04M3/42;H04N1/32;(IPC1-7):H04N1/00
主分类号
H04N1/00
代理机构
代理人
主权项
地址
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